刚学android,今天写了个利用Intent启动Activity的小例子,本以为很简单,但着折腾了一天都没成功,始终提示异常,非常苦闷,大家帮小弟看看
Main.java
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
//import android.os.Process;import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;public class Main extends Activity implements OnClickListener
{
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button btnStartActivity = (Button)findViewById(R.id.btnTest);
btnStartActivity.setOnClickListener(this);
} @Override
public void onClick(View view)
{
switch(view.getId())
{
case R.id.btnTest:
Intent browserIntent = new Intent(this,test.class);
startActivity(browserIntent);
break;
}
}
}
test.java
import android.app.Activity;
import android.os.Bundle;public class test extends Activity
{ @Override
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.receiver);
}
}
Manifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="net.blogjava.mobile"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Main"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".test"
android:label="test">
</activity> </application>
<uses-sdk android:minSdkVersion="3" /></manifest>
Main.java
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
//import android.os.Process;import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;public class Main extends Activity implements OnClickListener
{
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button btnStartActivity = (Button)findViewById(R.id.btnTest);
btnStartActivity.setOnClickListener(this);
} @Override
public void onClick(View view)
{
switch(view.getId())
{
case R.id.btnTest:
Intent browserIntent = new Intent(this,test.class);
startActivity(browserIntent);
break;
}
}
}
test.java
import android.app.Activity;
import android.os.Bundle;public class test extends Activity
{ @Override
protected void onCreate(Bundle savedInstanceState)
{
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.receiver);
}
}
Manifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="net.blogjava.mobile"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Main"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".test"
android:label="test">
</activity> </application>
<uses-sdk android:minSdkVersion="3" /></manifest>
直接写this对吗?