android 飞行模式 源代码,android 定时进入飞行模式 例子
【实例简介】【实例截图】【核心代码】package com.example.dsgj;import android.support.v7.app.ActionBarActivity;import android.support.v7.app.ActionBar;import android.support.v4.app.Fragment;import android.content.Content
【实例简介】
【实例截图】
【核心代码】
package com.example.dsgj;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.content.ContentResolver;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.provider.Settings;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends ActionBarActivity {
private Button set;
Handler handler=new Handler();
Runnable runnable=new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
//要做的事情
airplane();
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment())
.commit();
}
set = (Button)findViewById(R.id.ok);
set.setOnClickListener(new Button.OnClickListener(){
@SuppressWarnings("deprecation")
public void onClick(View v)
{
EditText time_box = (EditText )findViewById(R.id.time);
// time_box.setText("30");
final String time=time_box.getText().toString();
int num= Integer.parseInt(time);
num=num*1000*60;
final int Time=num;
final String text="手机将在" time "分钟后进入飞行模式!!";
handler.removeCallbacks(runnable);
//Toast提示控件
Toast.makeText(getApplicationContext(), text,
Toast.LENGTH_SHORT).show();
handler.postDelayed(runnable, Time);//每两秒执行一次runnable.
}
});
}
public void airplane()
{
ContentResolver cr = getContentResolver();
if(Settings.System.getString(cr,Settings.System.AIRPLANE_MODE_ON).equals("0")){
//获取当前飞行模式状态,返回的是String值0,或1.0为关闭飞行,1为开启飞行
//如果关闭飞行,则打开飞行
Settings.System.putString(cr,Settings.System.AIRPLANE_MODE_ON, "1");
Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
sendBroadcast(intent);
}else{
//否则关闭飞行
Settings.System.putString(cr,Settings.System.AIRPLANE_MODE_ON, "0");
Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
sendBroadcast(intent);
}
handler.removeCallbacks(runnable);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.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();
if (id == R.id.tuichu) {
this.finish();
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container, false);
return rootView;
}
}
}
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