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Fragmentação
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Fragmentação
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Extra!
Fragments
http://www.youtube.com/watch?v=A3z5TO8COZM
Palestra sobre fragments
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Troca de informações entre telas
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String mensagemQualquer = "Olá!";Intent intent = new Intent(this, SegundaActivity.class);intent.putExtra("mensagem", mensagemQualquer);startActivity(intent);
Intent intent = getIntent();String mensagem = intent.getStringExtra("mensagem");
MainActivity
SegundaActivity
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putExtra()domingo, 21 de outubro de 12
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get?Extra()
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get?Extra()
intent.getIntExtra(name, defaultValue)
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get?Extra()
intent.getIntExtra(name, defaultValue)
intent.getStringExtra(name)
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get?Extra()
intent.getIntExtra(name, defaultValue)
intent.getStringExtra(name)
intent.getLongExtra(name, defaultValue)
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get?Extra()
intent.getIntExtra(name, defaultValue)
intent.getStringExtra(name)
intent.getLongExtra(name, defaultValue)
intent.getBooleanExtra(name, defaultValue)
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get?Extra()
intent.getIntExtra(name, defaultValue)
intent.getStringExtra(name)
intent.getLongExtra(name, defaultValue)
intent.getBooleanExtra(name, defaultValue)
intent.getFloatExtra(name, defaultValue)
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get?Extra()
intent.getIntExtra(name, defaultValue)
intent.getStringExtra(name)
intent.getLongExtra(name, defaultValue)
intent.getBooleanExtra(name, defaultValue)
intent.getFloatExtra(name, defaultValue)
intent.getFloatArrayExtra(name)
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get?Extra()
intent.getIntExtra(name, defaultValue)
intent.getStringExtra(name)
intent.getLongExtra(name, defaultValue)
intent.getBooleanExtra(name, defaultValue)
intent.getFloatExtra(name, defaultValue)
intent.getFloatArrayExtra(name)
intent.getIntArrayExtra(name)
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• Criar duas activitys
• A activity principal deverá ter um editText e um Button. Ao pressionar o button deverá abrir uma outra activity e mandar via putExtra() a mensagem do editText
• Deverá exibir a mensagem digitada no editText em um textView
String mensagemQualquer = "Olá!";Intent intent = new Intent(this, SegundaActivity.class);intent.putExtra("mensagem", mensagemQualquer);startActivity(intent);
Intent intent = getIntent();String mensagem = intent.getStringExtra("mensagem");
MainActivity
SegundaActivity
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logcatdomingo, 21 de outubro de 12
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Exemplo Log//Verbose
Log.v("Tag", "Messagem"); //Debug Log.d("Tag", "Messagem"); //Info Log.i("Tag", "Messagem"); //Warn Log.w("Tag", "Messagem"); //Error Log.e("Tag", "Messagem");
import android.util.Log;
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Filtragem
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Filtragem
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Nivel Sigla Cor
Debug D azul
Verbose V preto
Info I verde
Warn W laranja
Error E vermelho
Tipos de logs e suas cores
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Exercício
• Logar os eventos da activity
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Ciclo de vida
da activity
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public class CicloDeVidaActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.i("Teste", "onCreate"); } @Override protected void onStart() { super.onStart(); Log.i("Teste", "onStart"); } @Override protected void onRestart() { super.onRestart(); Log.i("Teste", "onRestart"); }
@Override protected void onResume() { super.onResume(); Log.i("Teste", "onResume"); } @Override protected void onPause() { super.onPause(); Log.i("Teste", "onPause"); } @Override protected void onStop() { super.onStop(); Log.i("Teste", "onStop"); } @Override protected void onDestroy() { super.onDestroy(); Log.i("Teste", "onDestroy"); }}
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Componentes de tela
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TextView’s <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" />
<TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Large Text" android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView android:id="@+id/textView3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Small Text" android:textAppearance="?android:attr/textAppearanceSmall" />
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CheckBox e RadioButton<CheckBox android:id="@+id/checkBox1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="CheckBox" />
<RadioButton android:id="@+id/radioButton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="RadioButton" />
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CheckBox e RadioButton<CheckBox android:id="@+id/checkBox1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="CheckBox" />
<RadioButton android:id="@+id/radioButton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="RadioButton" />
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CheckBox e RadioButton<CheckBox android:id="@+id/checkBox1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="CheckBox" />
<RadioButton android:id="@+id/radioButton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="RadioButton" />
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ProgressBar’s
<ProgressBar android:id="@+id/progressBar3" style="?android:attr/progressBarStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar2" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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ProgressBar’s
<ProgressBar android:id="@+id/progressBar3" style="?android:attr/progressBarStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar2" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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ProgressBar’s
<ProgressBar android:id="@+id/progressBar3" style="?android:attr/progressBarStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar2" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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ProgressBar’s
<ProgressBar android:id="@+id/progressBar3" style="?android:attr/progressBarStyleSmall" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar2" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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ProgressBar e SeekBar <ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleHorizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:max="100" android:progress="50" />
<SeekBar android:id="@+id/seekBar1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:max="100" android:progress="30" />
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ProgressBar e SeekBar <ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleHorizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:max="100" android:progress="50" />
<SeekBar android:id="@+id/seekBar1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:max="100" android:progress="30" />
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ProgressBar e SeekBar <ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleHorizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:max="100" android:progress="50" />
<SeekBar android:id="@+id/seekBar1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:max="100" android:progress="30" />
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QuickContactBadge e RatingBar
<QuickContactBadge android:id="@+id/quickContactBadge1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/ic_launcher" />
<RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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QuickContactBadge e RatingBar
<QuickContactBadge android:id="@+id/quickContactBadge1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/ic_launcher" />
<RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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QuickContactBadge e RatingBar
<QuickContactBadge android:id="@+id/quickContactBadge1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/ic_launcher" />
<RatingBar android:id="@+id/ratingBar1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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QuickContactBadge
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RadioButton <RadioGroup android:id="@+id/radioGroup1" android:layout_width="wrap_content" android:layout_height="wrap_content" >
<RadioButton android:id="@+id/radio0" android:layout_width="wrap_content" android:layout_height="wrap_content" android:checked="true" android:text="RadioButton" />
<RadioButton android:id="@+id/radio1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="RadioButton" />
<RadioButton android:id="@+id/radio2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="RadioButton" /> </RadioGroup>
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RadioButton <RadioGroup android:id="@+id/radioGroup1" android:layout_width="wrap_content" android:layout_height="wrap_content" >
<RadioButton android:id="@+id/radio0" android:layout_width="wrap_content" android:layout_height="wrap_content" android:checked="true" android:text="RadioButton" />
<RadioButton android:id="@+id/radio1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="RadioButton" />
<RadioButton android:id="@+id/radio2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="RadioButton" /> </RadioGroup>
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EditText
<EditText android:id="@+id/editText1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="olá" />
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EditText
<EditText android:id="@+id/editText1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="olá" />
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ImageView e ImageButton
<ImageView android:id="@+id/imageView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" />
<ImageButton android:id="@+id/imageButton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" />
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ImageView e ImageButton
<ImageView android:id="@+id/imageView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" />
<ImageButton android:id="@+id/imageButton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" />
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ImageView e ImageButton
<ImageView android:id="@+id/imageView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" />
<ImageButton android:id="@+id/imageButton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_launcher" />
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Time & Date
<TimePicker android:id="@+id/timePicker1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<DatePicker android:id="@+id/datePicker1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<AnalogClock android:id="@+id/analogClock1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<Chronometer android:id="@+id/chronometer1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Chronometer" />
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Time & Date
<TimePicker android:id="@+id/timePicker1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<DatePicker android:id="@+id/datePicker1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<AnalogClock android:id="@+id/analogClock1" android:layout_width="wrap_content" android:layout_height="wrap_content" />
<Chronometer android:id="@+id/chronometer1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Chronometer" />
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Exercício• Criar um novo projeto
• Inserir na tela 3 RadioButton’s
• Os RadioButton’s deverão ter o texto:
• Tela 1
• Tela 2
• Tela 3
• Inserir na tela 1 Button
• Criar mais 3 telas (activitys)
• Cada tela deverá exibir um texto diferente de sua preferência
• Cada RadioButton deverá ter uma tela correspondente que ao clicar no botão deverá abri-la
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Exercício• Criar um novo projeto
• Inserir na tela 3 RadioButton’s
• Os RadioButton’s deverão ter o texto:
• Tela 1
• Tela 2
• Tela 3
• Inserir na tela 1 Button
• Criar mais 3 telas (activitys)
• Cada tela deverá exibir um texto diferente de sua preferência
• Cada RadioButton deverá ter uma tela correspondente que ao clicar no botão deverá abri-la
Dica
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Exercício• Criar um novo projeto
• Inserir na tela 3 RadioButton’s
• Os RadioButton’s deverão ter o texto:
• Tela 1
• Tela 2
• Tela 3
• Inserir na tela 1 Button
• Criar mais 3 telas (activitys)
• Cada tela deverá exibir um texto diferente de sua preferência
• Cada RadioButton deverá ter uma tela correspondente que ao clicar no botão deverá abri-la
DicaRadioButton radio0 = (RadioButton) findViewById(R.id.radio0);if (radio0.isChecked()) ...
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Layouts
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Altura e largura
Atributo Descriçãoandroid:layout_height Especifica a altura de um
componente
android:layout_width Especifica a largura de um componente
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Valores para altura e largura
• fill_parent - Significa que o componente precisa ocupar todo o tamanho definido por seu pai (layout), ou seja, este deverá ser sempre usado quando o componente necessita ocupar o espaço de layout.
• wrap_content -Para o componente ocupar apenas o tamanho necessário na tela
• Valor - Podemos também passar um valor númerico informando o tamanho do componente
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Valores para altura e larguraAtributo Descrição
fill_parent Significa que o componente precisa ocupar todo o tamanho definido por seu pai (layout), ou seja, este deverá ser sempre usado quando o componente necessita ocupar o espaço de layout.
wrap_content Para o componente ocupar apenas o tamanho necessário na tela
Valor Podemos também passar um valor númerico informando o tamanho do componente
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Botao de teste" android:layout_gravity="left" />
</LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="fill_parent" android:text="Botao de teste" android:layout_gravity="left" />
</LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Botao de teste" android:layout_gravity="left" />
</LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="300px" android:layout_height="wrap_content" android:text="Botao de teste" android:layout_gravity="left" />
</LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="300dp" android:layout_height="wrap_content" android:text="Botao de teste" android:layout_gravity="left" />
</LinearLayout>
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Density-independent pixel (dp)
A conversão de unidades de DP para pixels da tela é simples: px = dp * (dpi / 160). Por exemplo, em uma tela de 240 dpi, 1 dp igual a 1,5 pixels físicas.
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AbsoluteLayout
• Este tipo de layout permite posicionar os componentes da maneira desejada através das coordenadas do x e y.
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<AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" >
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_x="39dp" android:layout_y="37dp" android:text="Button" />
<Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_x="180dp" android:layout_y="203dp" android:text="Button" />
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_x="205dp" android:layout_y="69dp" android:text="TextView" />
</AbsoluteLayout>
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FrameLayout
• Este layout é utilizado por um componente que precisa preencher a tela inteira. É possível inserir mais de um componente no FrameLayout, porém sempre serão os últimos que ficarão no topo do elemento, obedecendo o conceito de pilha. Isso é útil para construir aplicações com uma imagem em segundo plano.
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LinearLayout
• Este layout é usado para organizar os componentes na vertical ou horizontal através do atributo android:orientation.
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" />
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" />
<Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" /> </LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" />
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" />
<Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" /> </LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" android:layout_gravity="left" />
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" android:layout_gravity="center"/>
<Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" android:layout_gravity="right"/> </LinearLayout>
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Peso - weight
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" android:layout_gravity="left" />
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" android:layout_gravity="center"/> <EditText android:id="@+id/editText1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" />
<Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" /> </LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" android:layout_gravity="left" />
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" android:layout_gravity="center"/> <EditText android:id="@+id/editText1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" />
<Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" /> </LinearLayout>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" android:layout_gravity="left" />
<TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" android:layout_weight="1" android:layout_gravity="center"/> <EditText android:id="@+id/editText1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1"/> <EditText android:id="@+id/editText2" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="2"/>
<Button android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" /> </LinearLayout>
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Quanto maior o weight maior será sua importância (peso)
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TableLayout
• E s t e é u s a d o p a r a o r g a n i z a r o s componentes em uma tabela, com linhas e colunas
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<TableLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:shrinkColumns="2"> <TableRow> <TextView android:text="coluna 1"/> <TextView android:text="coluna 2"/> </TableRow> <TableRow> <TextView android:text="coluna 1"/> <TextView android:text="coluna 2"/> <TextView android:text="Texto grande que vai siar da tela, deverá quebrar a coluna pois o shrinkColumn=2"/> </TableRow> <TableRow> <TextView android:text="coluna 1"/> <TextView android:text="coluna 2"/> <TextView android:text="Coluna 3"/> </TableRow> </TableLayout>
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RelativeLayout
• Este Permite posicionar um componente relativo a outro, por exemplo, abaixo, acima ou ao lado de um componente já existente
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Atributo Descriçãoandroid:layout:below Posiciona abaixo do componente indicado
android:layout:above Posiciona acima do componente indicado
android:layout:toRightOf Posiciona a direita do componente indicado
android:layout:toLeftOf Posiciona a esquerda do componente indicado
android:layout:alignParentTop Alinha no topo do componente indicado
android:layout:alignParentBottom Alinha abaixo do componente indicado
android:layout:layout_marginTop Utilizado para definir um espaço na margem superior do componente
android:layout:layout_marginRight Utilizado para definir um espaço a direita do componente
android:layout:layout_marginLeft Utilizado para definir um espaço a esquerda do componente
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:id="@+id/txtLogin" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Usuario"/> <EditText android:id="@+id/edtLogin" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_toRightOf="@id/txtLogin"/> </RelativeLayout>
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BroadcastReceiver
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O que é BroadcastReceiver ?
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Ela é usada para responder a determinados eventos.
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Por exemplo...
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Como implementar?
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Primeiramente é necessário criar uma classe que herde do BroadcastReceiver
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public class ExemploReceiver extends BroadcastReceiver {
@Override public void onReceive(Context context, Intent intent) { String mensagem ="Oi mãe, to sendo executado pelo receiver! :D"; Toast.makeText(context, mensagem, Toast.LENGTH_LONG).show(); }
}
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public class ExemploReceiver extends BroadcastReceiver {
@Override public void onReceive(Context context, Intent intent) { String mensagem ="Oi mãe, to sendo executado pelo receiver! :D"; Toast.makeText(context, mensagem, Toast.LENGTH_LONG).show(); }
}
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public class ExemploReceiver extends BroadcastReceiver {
@Override public void onReceive(Context context, Intent intent) { String mensagem ="Oi mãe, to sendo executado pelo receiver! :D"; Toast.makeText(context, mensagem, Toast.LENGTH_LONG).show(); }
}
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Para configurar o BroadcastReceiver é necessário utilizar a tag <receiver> no arquivo manifest.
Além disso...
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<receiver android:name=".ExemploReceiver" android:permission="android.permission.RECEIVE_BOOT_COMPLETED"> <intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED"/> <category android:name="android.intent.category.DEFAULT"/> </intent-filter></receiver>
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Notification
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O que é Notification ?
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O que é necessário?
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Criar um
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Criar um
Notification
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Criar um
Notification
NotificationManager
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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private void criarNotification() { NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.ic_launcher, "Uma nova mensagem!", System.currentTimeMillis()); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0); notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent); notificationManager.notify(R.string.app_name, notification); }
domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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Notification notification = new Notification(icone, texto, quando);
Parâmetro Descrição
init O id do recurso do icone para exibir na barra de status da notificação
texto Titulo do texto para exibir na barra de status na primeira vez em que a notificação aparece
quando A data e hora para exibir a notificação.
domingo, 21 de outubro de 12
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Parâmetro Descrição
Contexto O contexto, referência da activity que está criando a notificação.
Código Código para identificar a requisição.
Intent Contém as informações da activity que deverá ser exibida caso o usuário pressione a notificação
flags Flags opcionais para controlar a abertura da intent fornecida
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, TelaParaNotificacaoActivity.class), 0);
domingo, 21 de outubro de 12
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Parâmetro Descrição
Contexto Referência da activity que está criando a notification
Titulo Titulo da notificação
Conteúdo Conteúdo com os detalhes da notification
intent Referência da PendingIntent
notification.setLatestEventInfo(this, "Titulo", "Conteúdo", pendingIntent);
domingo, 21 de outubro de 12
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Exercício• Criar 2 telas
• Uma deverá ter um botão que irá criar uma notificação
• A outra tela deverá ser chamada ao clicar na notificação. Esta deverá ter um textView.
domingo, 21 de outubro de 12
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Ao pressionar a notificação ela não está sumindo!!!!
domingo, 21 de outubro de 12
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É necessário mandar fecha-la em algum momento.
domingo, 21 de outubro de 12
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Através do método cancel() do NotificationManager
domingo, 21 de outubro de 12
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@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tela_para_notificacao); NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); notificationManager.cancel(R.string.app_name); }
domingo, 21 de outubro de 12
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@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tela_para_notificacao); NotificationManager notificationManager = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE); notificationManager.cancel(R.string.app_name); }
domingo, 21 de outubro de 12
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É possível...
domingo, 21 de outubro de 12
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É possível...
domingo, 21 de outubro de 12
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É possível...
fazer o celular vibrar!domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração Pausa
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração Pausa
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração Pausa Vibração
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração Pausa Vibração
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração Pausa Vibração Pausa
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração Pausa Vibração Pausa
domingo, 21 de outubro de 12
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notification.vibrate = new long[] {100, 500, 200, 500, 200, 500};
Propriedade vibrate do Notification
Pausa Vibração Pausa Vibração Pausa Pausa
domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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Porque não usar uma simples Thread?
domingo, 21 de outubro de 12
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Thread
domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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domingo, 21 de outubro de 12
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Por isso usamos o service!
domingo, 21 de outubro de 12
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O que é necessário?
domingo, 21 de outubro de 12
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Criar uma classe que herde de Service e implemente Runnable
domingo, 21 de outubro de 12
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Primeiro criar uma tela com um botão...
domingo, 21 de outubro de 12
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Definir no manifest o serviço
<service android:name=".ExemploService"> <intent-filter> <action android:name="SERVICE1"/> </intent-filter></service>
domingo, 21 de outubro de 12
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private Button btnExecutarServico;
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btnExecutarServico = (Button) findViewById(R.activity_main.btnExecutarServico); btnExecutarServico.setOnClickListener(this); }
@Override public void onClick(View v) { Intent intent = new Intent("SERVICE1"); startService(intent); }
domingo, 21 de outubro de 12
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public class ExemploService extends Service implements Runnable {
@Override public void onCreate() { super.onCreate(); new Thread(this).start(); } @Override public IBinder onBind(Intent intent) { // Não queremos interagir com o serviço... return null; } @Override public void run() { int contador = 1; Looper.prepare(); while (true) { Log.i("ExemploService","Oi, sou um serviço! Numero " + contador); contador++; try { Thread.sleep(2000); } catch (InterruptedException e) { e.printStackTrace(); } } }}
domingo, 21 de outubro de 12