原生安卓继承uniapp后执行自定义的applicaiton与activity(实现双击退出按钮监听)
一、自定义application ,乱起八糟的不用管1、MyApplication.javapublic class MyApplication extends DCloudApplication {@Overridepublic void onCreate() {super.onCreate();init();}private void init() {// 自己的业务实现}
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一、自定义application ,乱起八糟的不用管
1、MyApplication.java
public class MyApplication extends DCloudApplication {
@Override
public void onCreate() {
super.onCreate();
init();
}
private void init() {
// 自己的业务实现
}
@Override
public void onTerminate() {
super.onTerminate();
}
}
2、修改AndroidManifest.xml
在<application>中添加(换成自己的路径)
<application
android:name="com.***.***.MyApplication"
tools:replace="android:name"
二、自定义启动activity
1、MyPandoraEntry.java(记得换路径)
public class MyPandoraEntry extends PandoraEntry {
@Override
public void startActivity(Intent intent) {
ComponentName componentName = intent.getComponent();
String packageName = componentName.getPackageName();
String className = componentName.getClassName();
if(className.equals("io.dcloud.PandoraEntryActivity")){
intent.setComponent(new ComponentName(packageName, "com.example.myapplication.MyPandoraEntryActivity"));
}
Log.e("mypandoraEntry", String.format("activity = %s, startActivity, activity name = %s", this, intent.getComponent().getClassName()));
super.startActivity(intent);
}
}
2、MyPandoraEntryActivity.java
public class MyPandoraEntryActivity extends PandoraEntryActivity {
@Override
public void onCreate(Bundle bundle) {
super.onCreate(bundle);
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public void onResume() {
super.onResume();
}
@Override
public void onPause() {
super.onPause();
}
private static boolean isExit = false;
//点击第二次时关闭应用
Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
isExit = false;
}
};
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
exit();
return false;
}
return super.onKeyDown(keyCode, event);
}
/**
* 点击两次退出程序
*/
private void exit() {
if (!isExit) {
isExit = true;
Toast.makeText(getApplicationContext(), "再按一次退出程序",Toast.LENGTH_SHORT).show();
// 利用handler延迟发送更改状态信息
mHandler.sendEmptyMessageDelayed(0, 2000);
} else {
// 双击退出程序时执行
finish();
// 以下两行是作为自己的退出逻辑
getApplication().onTerminate();
application().stopService();
//参数用作状态码;根据惯例,非 0 的状态码表示异常终止。
System.exit(0);
}
}
public MyApplication application() {
return (MyApplication) getApplication();
}
}
3、修改AndroidManifest.xml
将PandoraEntry换成自己的MyPandoraEntry
将PandoraEntryActivity换成自己的MyPandoraEntryActivity
<activity
android:name="com.example.myapplication.MyPandoraEntry"
....
<activity
android:name="com.example.myapplication.MyPandoraEntryActivity"
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