activity_main.xml
<RelativeLayout xmlns:android="http://www.easck.com/apk/res/android" xmlns:tools="http://www.easck.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity"> <Button android:id="@+id/start" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="10dp" android:layout_centerInParent="true" android:textSize="18sp" android:text="打开辅助服务"/> </RelativeLayout>
MainActivity.java
package com.jackie.webchatenvelope;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends Activity {
private Button startBtn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
startBtn = (Button) findViewById(R.id.start);
startBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
//打开系统设置中辅助功能
Intent intent = new Intent(android.provider.Settings.ACTION_ACCESSIBILITY_SETTINGS);
startActivity(intent);
Toast.makeText(MainActivity.this, "找到抢红包，然后开启服务即可", Toast.LENGTH_LONG).show();
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
