一个android锁屏软件 源码

package com.terry.lock; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.WindowManager; import android.view.View.OnTouchListener; import android.widget.AbsoluteLayout.LayoutParams; import android.widget.ImageView; import android.widget.Toast; public class main extends Activity { /** Called when the activity is first created. */ ImageView view; boolean flag=false; @Override public boolean onTouchEvent(MotionEvent event) { // TODO Auto-generated method stub //int x= (int)event.getX()-10; int[] location = new int[2]; view.getLocationInWindow(location); int y=(int)event.getY()-80; LayoutParams Params=new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT ,location[0], y); if(flag){ view.setLayoutParams(Params); if(event.getAction()==MotionEvent.ACTION_UP){ Toast.makeText(main.this,"解锁",2000).show(); flag=false; finish(); } } return super.onTouchEvent(event); } @Override public void onAttachedToWindow() { // TODO Auto-generated method stub //android底层系统把HOME键屏蔽了，但如果发现它是TYPE_KEYGUARD类的窗体，则不会过滤。所以把Activity修改成TYPE_KEYGUARD //类就好了 this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD); super.onAttachedToWindow(); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { // TODO Auto-generated method stub switch(keyCode) { case KeyEvent.KEYCODE_HOME: Log.e("God", "丫的，看你住哪里跑!"); break; case KeyEvent.KEYCODE_POWER: Log.e("God", "电源键按下"); } return false; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); view=(ImageView)findViewById(R.id.image); Intent i = new Intent(main.this,OtherService.class); i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startService(i); main.this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD); Intent intent=new Intent(main.this,LockService.class); startService(intent); view.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub flag=true; return false; } }); } }