Android(安卓)Activity 生命周期 跟踪完全程序。有日志输出的
package com.lx.activity.task;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public abstract class CommonActivity extends Activity implements Button.OnClickListener{
private Button btn;
private TextView tv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.i("test",this.getClass().getSimpleName()+" -onCreate()");
setContentView(R.layout.main);
btn = (Button)findViewById(R.id.btn);
btn.setOnClickListener(this);
tv = (TextView)findViewById(R.id.tv);
initView();
}
private void initView(){
setBtnName(btn);
setTvName(tv);
}
@Override
public void onClick(View v) {
Intent i = new Intent(this,getNextActivity());
startActivity(i);
}
protected abstract void setBtnName(Button btn);
protected abstract void setTvName(TextView tv);
protected abstract Class getNextActivity();
@Override
protected void onStart() {
// TODO Auto-generated method stub
super.onStart();
Log.i("test",this.getClass().getSimpleName()+" -onStart()");
}
@Override
protected void onRestart() {
// TODO Auto-generated method stub
super.onRestart();
Log.i("test",this.getClass().getSimpleName()+" -onRestart()");
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
Log.i("test",this.getClass().getSimpleName()+" -onResume()");
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
Log.i("test",this.getClass().getSimpleName()+" -onPause()");
}
@Override
protected void onStop() {
// TODO Auto-generated method stub
super.onStop();
Log.i("test",this.getClass().getSimpleName()+" -onStop()");
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
Log.i("test",this.getClass().getSimpleName()+" -onDestroy()");
}
}
================CommonActivity 结束=================
----Activity1---------
package com.lx.activity.task;
import android.widget.Button;
import android.widget.TextView;
public class Activity1 extends CommonActivity {
@Override
protected void setBtnName(Button btn) {
btn.setText("startActivity2");
}
@Override
protected void setTvName(TextView tv) {
tv.setText("Activity1");
}
@Override
protected Class getNextActivity() {
return Activity2.class;
}
}
-------Activity2---------
package com.lx.activity.task;
import android.widget.Button;
import android.widget.TextView;
public class Activity2 extends CommonActivity {
@Override
protected void setBtnName(Button btn) {
// TODO Auto-generated method stub
btn.setText("startActivity3");
}
@Override
protected void setTvName(TextView tv) {
// TODO Auto-generated method stub
tv.setText("Activity2");
}
@Override
protected Class getNextActivity() {
return Activity3.class;
}
}
---------Activity3-----------
package com.lx.activity.task;
import android.widget.Button;
import android.widget.TextView;
public class Activity3 extends CommonActivity {
@Override
protected void setBtnName(Button btn) {
// TODO Auto-generated method stub
btn.setText("startActivity4");
}
@Override
protected void setTvName(TextView tv) {
// TODO Auto-generated method stub
tv.setText("Activity3");
}
@Override
protected Class getNextActivity() {
// TODO Auto-generated method stub
return null;
}
}
------main.xml-----
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Activity1"
android:layout_gravity="center"/>
<Button android:id="@+id/btn"
android:text="StartActivity2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="100px"
android:layout_gravity="center"/>
</LinearLayout>
--------AndroidManifest.xml-------
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.lx.activity.task"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="7" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".Activity1"
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=".CommonActivity"/>
<activity
android:name=".Activity2"/>
<activity
android:name=".Activity3"/>
</application>
</manifest>
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