Objectif:
Lorsque j'appuie sur l'un des boutons, vous devriez être redirigé vers la page d'intention suivante. Il ne fonctionne que pour le bouton nommé "Activité 1" mais pas les boutons restants bien que vous utilisiez le même code source pour le bouton "Activité 1", "Activité 2" et "Activité 3".Tous les boutons avec intention Ne fonctionnent pas
Quelle partie me manque?
Merci!
Info:
* Je suis nouveau dans Android
* J'utilise l'API 23
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.jfdimarzio.application">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".firstactivity">
</activity>
<activity android:name=".activity2">
</activity>
</application>
</manifest>
MainActivity.java
package com.jfdimarzio.application;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import static android.R.attr.value;
public class MainActivity extends AppCompatActivity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = getIntent();
if(intent != null)
{
String valuee = intent.getStringExtra("key");
if(valuee != null)
{
final TextView textViewToChange = (TextView) findViewById(R.id.txtvw_activity1);
textViewToChange.setText(valuee);
}
}
}
public void onClick(View view)
{
switch(view.getId())
{
case R.id.btn_activity1:
Intent myIntent1 = new Intent(getBaseContext(), firstactivity.class);
myIntent1.putExtra("key", "Hello! Activity 1");
startActivity(myIntent1);
break;
case R.id.btn_activity2:
Intent myIntent2 = new Intent(getBaseContext(), Activity2.class);
myIntent2.putExtra("key", "Hello! Activity 2");
startActivity(myIntent2);
break;
case R.id.btn_activity3:
Intent myIntent3 = new Intent(getBaseContext(), Activity3.class);
myIntent3.putExtra("key", "Hello! Activity 3");
startActivity(myIntent3);
break;
}
}
}
firstactivity.java
package com.jfdimarzio.application;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class firstactivity extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = getIntent();
String valuee = intent.getStringExtra("key");
final TextView textViewToChange = (TextView) findViewById(R.id.txtvw_activity1);
textViewToChange.setText(valuee);
}
}
Activity3.java
package com.jfdimarzio.application;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class Activity3 extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = getIntent();
String valuee = intent.getStringExtra("key");
final TextView textViewToChange = (TextView) findViewById(R.id.txtvw_activity1);
textViewToChange.setText(valuee);
}
}
Activity2.java
package com.jfdimarzio.application;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class Activity2 extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = getIntent();
String valuee = intent.getStringExtra("key");
final TextView textViewToChange = (TextView) findViewById(R.id.txtvw_activity1);
textViewToChange.setText(valuee);
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.jfdimarzio.application.MainActivity">
<TextView
android:id="@+id/txtvw_activity1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:layout_marginTop="18dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/btn_activity1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_below="@+id/txtvw_first"
android:layout_marginTop="67dp"
android:onClick="onClick"
android:text="Activity 1" />
<Button
android:id="@+id/btn_activity2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_below="@+id/btn_activity1"
android:layout_marginTop="15dp"
android:onClick="onClick"
android:text="Activity 2" />
<Button
android:id="@+id/btn_activity3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_below="@+id/btn_activity2"
android:layout_marginTop="19dp"
android:onClick="onClick"
android:text="Activity 3" />
</RelativeLayout>
firstactivity.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/txt_message"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/txtvw_activity1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:text="TextView" />
</RelativeLayout>
activity2.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
</RelativeLayout>
Vous devez déclarer toutes les activités dans votre fichier XML Manifest –