安卓应用kill自身并启动
1.为了杀掉程序并重新启动,需要借助一个中间activity,并且该activity是另外一个进程,在该activity中调用killProcess杀掉原进程<activity android:name="com.xx.EmptyActivity"
android:screenOrientation="portrait"
android:process=":pid_mid"
android:stateNotNeeded="true"/>
<activity android:name="com.xx.WelcomeActivity"
android:screenOrientation="portrait"/>
(2)启动到中间activity
Intent i = new Intent(this, EmptyActivity.class);//借助中间层自启
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
i.putExtra(EmptyActivity.INTENT_KILL, true);
i.putExtra(EmptyActivity.INTENT_PID, android.os.Process.myPid());
startActivity(i);
finish();
Application.getApplication().finishAllActivity();//不加入这个,当killProcess后,还会重启一次
//Application建立Stack<Activity> activityStack 保存启动的activity,最后finishAllActivity
/**
* 添加Activity到堆栈
*/
public void addActivity(Activity activity){
if(activityStack==null){
activityStack=new Stack<Activity>();
}
activityStack.add(activity);
}
/**
* 结束所有Activity
*/
public void finishAllActivity(){
for (int i = 0, size = activityStack.size(); i < size; i++){
if (null != activityStack.get(i)){
activityStack.get(i).finish();
}
}
activityStack.clear();
}
(3)在中间Activity:EmptyActivity中杀掉进程并重启
protected void onCreate(android.os.Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.empty);
try {
if(getIntent().getBooleanExtra(INTENT_KILL, false)){
//android.os.Process.killProcess(getIntent().getExtras().getInt(INTENT_PID));
Intent i = new Intent(EmptyActivity.this, WelcomeActivity.class);
startActivity(i);
EmptyActivity.this.finish();
android.os.Process.killProcess(getIntent().getExtras().getInt(INTENT_PID));
}
} catch (Exception e) {
e.printStackTrace();
}
}
2.如果通过android.os.Process.killProcess(pid)杀掉程序后,并重启了WelcomeActivity,最后按back退出WelcomeActivity时,
若程序再重启了一次,那请先看看http://blog.youkuaiyun.com/liuyifirsttime/article/details/52130872