Android Open Source - android-power-button-fix My Lock Screen Activity

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From Project

Back to project page android-power-button-fix.

License

The source code is released under:

GNU General Public License

Java Source Code

package it.glisco.powerbuttonbroken;
//from   www  .j  av  a  2  s  .  c  o  m

import android.app.Activity;
import android.app.ActivityManager;
import android.app.AlertDialog;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Switch;
import android.widget.Toast;

public class MyLockScreenActivity extends Activity implements OnClickListener {

    private static final int ADMIN_INTENT = 15;
    private static final String description = " You could lock your phone preserving your power button";
    private DevicePolicyManager mDevicePolicyManager;
    private ComponentName mComponentName;
    private Button btnEnableAdmin;
    private Button btnDisableAdmin;
    private Button btnLock;
    private Button btnPowerOff, btnReboot;
    private Button btnStartService;
    private Button btnStopService;
    
    private Switch switchService;
    private Switch switchAdmin;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_lock);
        mDevicePolicyManager = (DevicePolicyManager)getSystemService(
                Context.DEVICE_POLICY_SERVICE);
        mComponentName = new ComponentName(this, MyAdminReceiver.class);
        btnEnableAdmin = (Button) findViewById(R.id.btnEnable);
        btnDisableAdmin = (Button) findViewById(R.id.btnDisable);
        btnLock = (Button) findViewById(R.id.btnLock);
        btnPowerOff = (Button) findViewById(R.id.btnPowerOff);
        btnReboot = (Button) findViewById(R.id.btnReboot);



        

        btnStartService = (Button) findViewById(R.id.btnStartService);
        btnStopService = (Button) findViewById(R.id.btnStopService);

        switchService =(Switch) findViewById(R.id.switchService);
        //switchAdmin =(Switch) findViewById(R.id.switch2);



        btnEnableAdmin.setOnClickListener(this);
        btnDisableAdmin.setOnClickListener(this);
        btnLock.setOnClickListener(this);
        btnPowerOff.setOnClickListener(this);
        btnReboot.setOnClickListener(this);


        switchService.setChecked(isMyServiceRunning(this));
        
        
        
        
        /*
        if (isMyServiceRunning(this)) {
            btnStartService.setVisibility(View.GONE);
            btnStopService.setVisibility(View.VISIBLE);            
        }
        else {
            btnStartService.setVisibility(View.VISIBLE);
            btnStopService.setVisibility(View.GONE);
        }
        */

    }

    @Override
    protected void onResume() {
        super.onResume();

        switchService.setChecked(isMyServiceRunning(this));
        
        /*
        if (isMyServiceRunning(this)) {
            btnStartService.setVisibility(View.GONE);
            btnStopService.setVisibility(View.VISIBLE);
            
        }
        else {
            btnStartService.setVisibility(View.VISIBLE);
            btnStopService.setVisibility(View.GONE);
        }
        */
        
    }

    private boolean isMyServiceRunning(Context mContext) {
        ActivityManager manager = (ActivityManager) mContext
                .getSystemService(Context.ACTIVITY_SERVICE);
        for (ActivityManager.RunningServiceInfo service : manager
                .getRunningServices(Integer.MAX_VALUE)) {
            if (SensorService.class.getName().equals(
            service.service.getClassName())) {
                return true;
            }
        }
        return false;
    }


    public void onSwitchServiceClicked(View v) {


        if (isMyServiceRunning(this)) {
            stopService(new Intent(this,SensorService.class));            
        }
        else {
            startService(new Intent(this,SensorService.class));

        }
        
         switchService.setChecked(isMyServiceRunning(this));
        
    }
    
    
    
    public void startService(View v)
    {
        /*
        btnStartService.setVisibility(View.GONE);
        btnStopService.setVisibility(View.VISIBLE);
        */
        startService(new Intent(this,SensorService.class));
        switchService.setChecked(isMyServiceRunning(this));
    }

    public void stopService(View v)
    {
        //stopService(new Intent(this,LogService.class));
        /*
        btnStartService.setVisibility(View.VISIBLE);
        btnStopService.setVisibility(View.GONE);
        */
        stopService(new Intent(this,SensorService.class));
        switchService.setChecked(isMyServiceRunning(this));

    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            
            /*
            case R.id.btnEnable:
                Intent intent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);
                intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, mComponentName);
                intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION,description);
                startActivityForResult(intent, ADMIN_INTENT);
                btnEnableAdmin.setVisibility(View.GONE);
                btnDisableAdmin.setVisibility(View.GONE);

                break;

            case R.id.btnDisable:
                mDevicePolicyManager.removeActiveAdmin(mComponentName);
                Toast.makeText(getApplicationContext(), "Admin registration removed", Toast.LENGTH_SHORT).show();
                btnEnableAdmin.setVisibility(View.VISIBLE);
                btnDisableAdmin.setVisibility(View.GONE);
                break;
            */
            case R.id.btnLock:
                boolean isAdmin = mDevicePolicyManager.isAdminActive(mComponentName);
                if (isAdmin) {
                    mDevicePolicyManager.lockNow();
                }else{

                    Intent intent = new Intent(DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN);
                    intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, mComponentName);
                    intent.putExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION,description);
                    startActivityForResult(intent, ADMIN_INTENT);
                    
                    //Toast.makeText(getApplicationContext(), "Not Registered as admin", Toast.LENGTH_SHORT).show();
                   
                    /*
                    btnEnableAdmin.setVisibility(View.VISIBLE);
                    btnDisableAdmin.setVisibility(View.GONE);
                    */
                }
                break;

            case R.id.btnPowerOff:

                //Ask the user if they want to quit
                new AlertDialog.Builder(this)
                        .setIcon(android.R.drawable.ic_dialog_alert)
                        .setTitle(R.string.quit)
                        .setMessage(R.string.really_quit)
                        .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {

                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                
                                try {
                                    Process proc = Runtime.getRuntime()
                                            .exec(new String[]{ "su", "-c", "reboot -p" });
                                    proc.waitFor();
                                } catch (Exception ex) {
                                    ex.printStackTrace();
                                }

                               
                            }

                        })
                        .setNegativeButton(R.string.no, null)
                        .show();

                /*
                Intent i = new Intent("android.intent.action.ACTION_REQUEST_SHUTDOWN");
                i.putExtra("android.intent.extra.KEY_CONFIRM", true);
                startActivity(i);
                */
                break;

            case R.id.btnReboot:

                //Ask the user if they want to quit
                new AlertDialog.Builder(this)
                        .setIcon(android.R.drawable.ic_dialog_alert)
                        .setTitle(R.string.reboot)
                        .setMessage(R.string.really_reboot)
                        .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {

                            @Override
                            public void onClick(DialogInterface dialog, int which) {

                                try {
                                    Process proc = Runtime.getRuntime()
                                            .exec(new String[]{ "su", "-c", "reboot" });
                                    proc.waitFor();
                                } catch (Exception ex) {
                                    ex.printStackTrace();
                                }


                            }

                        })
                        .setNegativeButton(R.string.no, null)
                        .show();
                

                /*
                Intent i = new Intent("android.intent.action.ACTION_REQUEST_SHUTDOWN");
                i.putExtra("android.intent.extra.KEY_CONFIRM", true);
                startActivity(i);
                */
                break;

        }


    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == ADMIN_INTENT) {
            if (resultCode == RESULT_OK) {
                Toast.makeText(getApplicationContext(), "Registered As Admin", Toast.LENGTH_SHORT).show();
                mDevicePolicyManager.lockNow();

                /*
                btnEnableAdmin.setVisibility(View.GONE);
                btnDisableAdmin.setVisibility(View.VISIBLE);
                */
                
            }else{
                Toast.makeText(getApplicationContext(), "Failed to register as Admin", Toast.LENGTH_SHORT).show();
                /*
                btnEnableAdmin.setVisibility(View.VISIBLE);
                btnDisableAdmin.setVisibility(View.GONE);
                */
            }
        }
    }

}

Java Source Code List

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