apps/Development/src/com/android/development/DevelopmentSettings.java - platform/development - Git at Google

 /* //device/apps/Settings/src/com/android/settings/Keyguard.java
 **
 ** Copyright 2006, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
 ** Unless required by applicable law or agreed to in writing, software
 ** distributed under the License is distributed on an "AS IS" BASIS,
 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ** See the License for the specific language governing permissions and
 ** limitations under the License.
 */

 package com.android.development;

 import android.app.Activity;
 import android.app.ActivityManagerNative;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.RemoteException;
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.ServiceManager;
 import android.os.ServiceManagerNative;
 import android.provider.Settings;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.IWindowManager;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
 import android.widget.Spinner;
 import android.widget.AdapterView.OnItemSelectedListener;

 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.util.Map;

 public class DevelopmentSettings extends Activity {
     private static final String TAG = "DevelopmentSettings";
     private static final int DEBUG_APP_REQUEST = 1;

     private Button mDebugAppButton;
     private CheckBox mWaitForDebuggerCB;
     private CheckBox mAlwaysFinishCB;
     private CheckBox mShowLoadCB;
     private CheckBox mShowCpuCB;
     private CheckBox mEnableGLCB;
     private CheckBox mShowUpdatesCB;
     private CheckBox mShowBackgroundCB;
     private CheckBox mShowSleepCB;
     private CheckBox mShowXmppCB;
     private Spinner mMaxProcsSpinner;
     private Spinner mWindowAnimationScaleSpinner;
     private Spinner mTransitionAnimationScaleSpinner;
     private Spinner mFontHintingSpinner;

     private String mDebugApp;
     private boolean mWaitForDebugger;
     private boolean mAlwaysFinish;
     private int mProcessLimit;
     private boolean mShowSleep;
     private boolean mShowXmpp;
     private AnimationScaleSelectedListener mWindowAnimationScale
             = new AnimationScaleSelectedListener(0);
     private AnimationScaleSelectedListener mTransitionAnimationScale
             = new AnimationScaleSelectedListener(1);
     private SharedPreferences mSharedPrefs;
     private IWindowManager mWindowManager;

     private static final boolean FONT_HINTING_ENABLED = true;
     private static final String  FONT_HINTING_FILE = "/data/misc/font-hack";

     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);

         setContentView(R.layout.development_settings);

         mDebugAppButton = (Button)findViewById(R.id.debug_app);
         mDebugAppButton.setOnClickListener(mDebugAppClicked);
         mWaitForDebuggerCB = (CheckBox)findViewById(R.id.wait_for_debugger);
         mWaitForDebuggerCB.setOnClickListener(mWaitForDebuggerClicked);
         mAlwaysFinishCB = (CheckBox)findViewById(R.id.always_finish);
         mAlwaysFinishCB.setOnClickListener(mAlwaysFinishClicked);
         mShowLoadCB = (CheckBox)findViewById(R.id.show_load);
         mShowLoadCB.setOnClickListener(mShowLoadClicked);
         mShowCpuCB = (CheckBox)findViewById(R.id.show_cpu);
         mShowCpuCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1000));
         mEnableGLCB = (CheckBox)findViewById(R.id.enable_gl);
         mEnableGLCB.getLayoutParams().height = 0; // doesn't do anything
         mEnableGLCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1004));
         mShowUpdatesCB = (CheckBox)findViewById(R.id.show_updates);
         mShowUpdatesCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1002));
         mShowBackgroundCB = (CheckBox)findViewById(R.id.show_background);
         mShowBackgroundCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1003));
         mShowSleepCB = (CheckBox)findViewById(R.id.show_sleep);
         mShowSleepCB.setOnClickListener(mShowSleepClicked);
         mShowXmppCB = (CheckBox)findViewById(R.id.show_xmpp);
         mShowXmppCB.setOnClickListener(mShowXmppClicked);
         mMaxProcsSpinner = (Spinner)findViewById(R.id.max_procs);
         mMaxProcsSpinner.setOnItemSelectedListener(mMaxProcsChanged);
         ArrayAdapter<String> adapter = new ArrayAdapter<String>(
                 this,
                 android.R.layout.simple_spinner_item,
                 new String[] {
                         "No App Process Limit",
                         "Max 1 App Process",
                         "Max 2 App Processes",
                         "Max 3 App Processes",
                         "Max 4 App Processes" });
         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         mMaxProcsSpinner.setAdapter(adapter);
         mWindowAnimationScaleSpinner = setupAnimationSpinner(
                 R.id.window_animation_scale, mWindowAnimationScale, "Window");
         mTransitionAnimationScaleSpinner = setupAnimationSpinner(
                 R.id.transition_animation_scale, mTransitionAnimationScale, "Transition");

         if (FONT_HINTING_ENABLED) {
             mFontHintingSpinner = (Spinner)findViewById(R.id.font_hinting);
             mFontHintingSpinner.setOnItemSelectedListener(mFontHintingChanged);
             adapter = new ArrayAdapter<String>(
                     this,
                     android.R.layout.simple_spinner_item,
                     new String[] {
                             "Light Hinting",
                             "Medium Hinting" });
             adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
             mFontHintingSpinner.setAdapter(adapter);
         }
         mSharedPrefs = getSharedPreferences("global", 0);
         mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
     }

     Spinner setupAnimationSpinner(int resid,
             AnimationScaleSelectedListener listener, String name) {
         Spinner spinner = (Spinner)findViewById(resid);
         spinner.setOnItemSelectedListener(listener);
         ArrayAdapter adapter = new ArrayAdapter<String>(
                 this,
                 android.R.layout.simple_spinner_item,
                 new String[] {
                         name + " Animation Scale 1x",
                         name + " Animation Scale 2x",
                         name + " Animation Scale 5x",
                         name + " Animation Scale 10x",
                         name + " Animation Off" });
         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         spinner.setAdapter(adapter);
         listener.spinner = spinner;
         return spinner;
     }

     @Override
     public void onResume() {
         super.onResume();
         updateDebugOptions();
         updateFinishOptions();
         updateProcessLimitOptions();
         updateSharedOptions();
         updateFlingerOptions();
         updateSleepOptions();
         updateXmppOptions();

         try {
             FileInputStream  in = new FileInputStream( FONT_HINTING_FILE );
             int    mode = in.read() - 48;
             if (mode >= 0 && mode < 3)
                 mFontHintingSpinner.setSelection(mode);
             in.close();
         } catch (Exception e) {
         }

         mWindowAnimationScale.load();
         mTransitionAnimationScale.load();
     }

     private void writeDebugOptions() {
         try {
             ActivityManagerNative.getDefault().setDebugApp(
                 mDebugApp, mWaitForDebugger, true);
         } catch (RemoteException ex) {
         }
     }

     private void updateDebugOptions() {
         mDebugApp = Settings.System.getString(
             getContentResolver(), Settings.System.DEBUG_APP);
         mWaitForDebugger = Settings.System.getInt(
             getContentResolver(), Settings.System.WAIT_FOR_DEBUGGER, 0) != 0;

         mDebugAppButton.setText(
             mDebugApp == null || mDebugApp.length() == 0 ? "(none)" : mDebugApp);
         mWaitForDebuggerCB.setChecked(mWaitForDebugger);
     }

     private void writeFinishOptions() {
         try {
             ActivityManagerNative.getDefault().setAlwaysFinish(mAlwaysFinish);
         } catch (RemoteException ex) {
         }
     }

     private void updateFinishOptions() {
         mAlwaysFinish = Settings.System.getInt(
             getContentResolver(), Settings.System.ALWAYS_FINISH_ACTIVITIES, 0) != 0;
         mAlwaysFinishCB.setChecked(mAlwaysFinish);
     }

     private void writeProcessLimitOptions() {
         try {
             ActivityManagerNative.getDefault().setProcessLimit(mProcessLimit);
         } catch (RemoteException ex) {
         }
     }

     private void updateProcessLimitOptions() {
         try {
             mProcessLimit = ActivityManagerNative.getDefault().getProcessLimit();
             mMaxProcsSpinner.setSelection(mProcessLimit);
         } catch (RemoteException ex) {
         }
     }

     private void updateSharedOptions() {
         mShowLoadCB.setChecked(Settings.System.getInt(getContentResolver(),
                 Settings.System.SHOW_PROCESSES, 0) != 0);
     }

     private void updateFlingerOptions() {
         // magic communication with surface flinger.
         try {
             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
             if (flinger != null) {
                 Parcel data = Parcel.obtain();
                 Parcel reply = Parcel.obtain();
                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
                 flinger.transact(1010, data, reply, 0);
                 int v;
                 v = reply.readInt();
                 mShowCpuCB.setChecked(v != 0);
                 v = reply.readInt();
                 mEnableGLCB.setChecked(v != 0);
                 v = reply.readInt();
                 mShowUpdatesCB.setChecked(v != 0);
                 v = reply.readInt();
                 mShowBackgroundCB.setChecked(v != 0);
                 reply.recycle();
                 data.recycle();
             }
         } catch (RemoteException ex) {
         }
     }

     private void writeSleepOptions() {
         try {
             FileOutputStream os = new FileOutputStream(
                 "/sys/devices/platform/gpio_sleep_debug/enable", true);
             if(mShowSleep)
                 os.write(new byte[] { (byte)'1' });
             else
                 os.write(new byte[] { (byte)'0' });
             os.close();
         } catch (Exception e) {
             Log.w(TAG, "Failed setting gpio_sleep_debug");
         }
     }

     private void updateSleepOptions() {
         try {
             FileInputStream is = new FileInputStream(
                 "/sys/devices/platform/gpio_sleep_debug/enable");
             int character = is.read();
             mShowSleep = character == '1';
             is.close();
         } catch (Exception e) {
             Log.w(TAG, "Failed reading gpio_sleep_debug");
             mShowSleep = false;
         }
         mShowSleepCB.setChecked(mShowSleep);
     }

     private void writeXmppOptions() {
         Settings.System.setShowGTalkServiceStatus(getContentResolver(), mShowXmpp);
     }

     private void updateXmppOptions() {
         mShowXmpp = Settings.System.getShowGTalkServiceStatus(getContentResolver());
         mShowXmppCB.setChecked(mShowXmpp);
     }

     private View.OnClickListener mDebugAppClicked = new View.OnClickListener() {
         public void onClick(View v) {
             Intent intent = new Intent(Intent.ACTION_MAIN);
             intent.setClass(DevelopmentSettings.this, AppPicker.class);
             startActivityForResult(intent, DEBUG_APP_REQUEST);
         }
     };

     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent intent) {
         if (requestCode == DEBUG_APP_REQUEST && resultCode == RESULT_OK) {
             mDebugApp = intent.getAction();
             writeDebugOptions();
             updateDebugOptions();
         }
     }

     private View.OnClickListener mWaitForDebuggerClicked =
             new View.OnClickListener() {
         public void onClick(View v) {
             mWaitForDebugger = ((CheckBox)v).isChecked();
             writeDebugOptions();
             updateDebugOptions();
         }
     };

     private View.OnClickListener mAlwaysFinishClicked =
             new View.OnClickListener() {
         public void onClick(View v) {
             mAlwaysFinish = ((CheckBox)v).isChecked();
             writeFinishOptions();
             updateFinishOptions();
         }
     };

     private View.OnClickListener mShowLoadClicked = new View.OnClickListener() {
         public void onClick(View v) {
             boolean value = ((CheckBox)v).isChecked();
             Settings.System.putInt(getContentResolver(),
                     Settings.System.SHOW_PROCESSES, value ? 1 : 0);
             Intent service = (new Intent())
                     .setClassName("android", "com.android.server.LoadAverageService");
             if (value) {
                 startService(service);
             } else {
                 stopService(service);
             }
         }
     };

     private class SurfaceFlingerClicker implements CheckBox.OnCheckedChangeListener {
         SurfaceFlingerClicker(int code) {
             mCode = code;
         }

         public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
             try {
                 IBinder flinger = ServiceManager.getService("SurfaceFlinger");
                 if (flinger != null) {
                     Parcel data = Parcel.obtain();
                     data.writeInterfaceToken("android.ui.ISurfaceComposer");
                     data.writeInt(isChecked ? 1 : 0);
                     flinger.transact(mCode, data, null, 0);
                     data.recycle();

                     updateFlingerOptions();
                 }
             } catch (RemoteException ex) {
             }
         }

         final int mCode;
     }

     private View.OnClickListener mShowSleepClicked =
             new View.OnClickListener() {
         public void onClick(View v) {
             mShowSleep = ((CheckBox)v).isChecked();
             writeSleepOptions();
             updateSleepOptions();
         }
     };

     private View.OnClickListener mShowXmppClicked = new View.OnClickListener() {
         public void onClick(View v) {
             mShowXmpp = ((CheckBox)v).isChecked();
             // can streamline these calls, but keeping consistent with the
             // other development settings code.
             writeXmppOptions();
             updateXmppOptions();
         }
     };

     private Spinner.OnItemSelectedListener mMaxProcsChanged
                                     = new Spinner.OnItemSelectedListener() {
         public void onItemSelected(android.widget.AdapterView av, View v,
                                     int position, long id) {
             mProcessLimit = position;
             writeProcessLimitOptions();
         }

         public void onNothingSelected(android.widget.AdapterView av) {
         }
     };

     private Spinner.OnItemSelectedListener mFontHintingChanged
                                     = new Spinner.OnItemSelectedListener() {
         public void onItemSelected(android.widget.AdapterView  av, View v,
                                     int position, long id) {
             try {
                 FileOutputStream  out = new FileOutputStream( FONT_HINTING_FILE );
                 out.write(position+48);
                 out.close();
             } catch (Exception e) {
                 Log.w(TAG, "Failed to write font hinting settings to /data/misc/font-hack");
             }
         }

         public void onNothingSelected(android.widget.AdapterView av) {
         }
     };

     class AnimationScaleSelectedListener implements OnItemSelectedListener {
         final int which;
         float scale;
         Spinner spinner;

         AnimationScaleSelectedListener(int _which) {
             which = _which;
         }

         void load() {
             try {
                 scale = mWindowManager.getAnimationScale(which);

                 if (scale > 0.1f && scale < 2.0f) {
                     spinner.setSelection(0);
                 } else if (scale >= 2.0f && scale < 3.0f) {
                     spinner.setSelection(1);
                 } else if (scale >= 4.9f && scale < 6.0f) {
                     spinner.setSelection(2);
                 }  else if (scale >= 9.9f && scale < 11.0f) {
                     spinner.setSelection(3);
                 } else {
                     spinner.setSelection(4);
                 }
             } catch (RemoteException e) {
             }
         }

         public void onItemSelected(android.widget.AdapterView av, View v,
                 int position, long id) {
             switch (position) {
                 case 0: scale = 1.0f; break;
                 case 1: scale = 2.0f; break;
                 case 2: scale = 5.0f; break;
                 case 3: scale = 10.0f; break;
                 case 4: scale = 0.0f; break;
                 default: break;
             }

             try {
                 mWindowManager.setAnimationScale(which, scale);
             } catch (RemoteException e) {
             }
         }

         public void onNothingSelected(android.widget.AdapterView av) {
         }
     }
 }
	/* //device/apps/Settings/src/com/android/settings/Keyguard.java
	**
	** Copyright 2006, The Android Open Source Project
	**
	** Licensed under the Apache License, Version 2.0 (the "License");
	** you may not use this file except in compliance with the License.
	** You may obtain a copy of the License at
	**
	** http://www.apache.org/licenses/LICENSE-2.0
	**
	** Unless required by applicable law or agreed to in writing, software
	** distributed under the License is distributed on an "AS IS" BASIS,
	** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	** See the License for the specific language governing permissions and
	** limitations under the License.
	*/

	package com.android.development;

	import android.app.Activity;
	import android.app.ActivityManagerNative;
	import android.content.Context;
	import android.content.Intent;
	import android.content.SharedPreferences;
	import android.content.pm.PackageManager.NameNotFoundException;
	import android.os.RemoteException;
	import android.os.IBinder;
	import android.os.Parcel;
	import android.os.ServiceManager;
	import android.os.ServiceManagerNative;
	import android.provider.Settings;
	import android.os.Bundle;
	import android.util.Log;
	import android.view.IWindowManager;
	import android.view.View;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.CheckBox;
	import android.widget.CompoundButton;
	import android.widget.Spinner;
	import android.widget.AdapterView.OnItemSelectedListener;

	import java.io.FileInputStream;
	import java.io.FileOutputStream;
	import java.util.Map;

	public class DevelopmentSettings extends Activity {
	private static final String TAG = "DevelopmentSettings";
	private static final int DEBUG_APP_REQUEST = 1;

	private Button mDebugAppButton;
	private CheckBox mWaitForDebuggerCB;
	private CheckBox mAlwaysFinishCB;
	private CheckBox mShowLoadCB;
	private CheckBox mShowCpuCB;
	private CheckBox mEnableGLCB;
	private CheckBox mShowUpdatesCB;
	private CheckBox mShowBackgroundCB;
	private CheckBox mShowSleepCB;
	private CheckBox mShowXmppCB;
	private Spinner mMaxProcsSpinner;
	private Spinner mWindowAnimationScaleSpinner;
	private Spinner mTransitionAnimationScaleSpinner;
	private Spinner mFontHintingSpinner;

	private String mDebugApp;
	private boolean mWaitForDebugger;
	private boolean mAlwaysFinish;
	private int mProcessLimit;
	private boolean mShowSleep;
	private boolean mShowXmpp;
	private AnimationScaleSelectedListener mWindowAnimationScale
	= new AnimationScaleSelectedListener(0);
	private AnimationScaleSelectedListener mTransitionAnimationScale
	= new AnimationScaleSelectedListener(1);
	private SharedPreferences mSharedPrefs;
	private IWindowManager mWindowManager;

	private static final boolean FONT_HINTING_ENABLED = true;
	private static final String FONT_HINTING_FILE = "/data/misc/font-hack";

	@Override
	public void onCreate(Bundle icicle) {
	super.onCreate(icicle);

	setContentView(R.layout.development_settings);

	mDebugAppButton = (Button)findViewById(R.id.debug_app);
	mDebugAppButton.setOnClickListener(mDebugAppClicked);
	mWaitForDebuggerCB = (CheckBox)findViewById(R.id.wait_for_debugger);
	mWaitForDebuggerCB.setOnClickListener(mWaitForDebuggerClicked);
	mAlwaysFinishCB = (CheckBox)findViewById(R.id.always_finish);
	mAlwaysFinishCB.setOnClickListener(mAlwaysFinishClicked);
	mShowLoadCB = (CheckBox)findViewById(R.id.show_load);
	mShowLoadCB.setOnClickListener(mShowLoadClicked);
	mShowCpuCB = (CheckBox)findViewById(R.id.show_cpu);
	mShowCpuCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1000));
	mEnableGLCB = (CheckBox)findViewById(R.id.enable_gl);
	mEnableGLCB.getLayoutParams().height = 0; // doesn't do anything
	mEnableGLCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1004));
	mShowUpdatesCB = (CheckBox)findViewById(R.id.show_updates);
	mShowUpdatesCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1002));
	mShowBackgroundCB = (CheckBox)findViewById(R.id.show_background);
	mShowBackgroundCB.setOnCheckedChangeListener(new SurfaceFlingerClicker(1003));
	mShowSleepCB = (CheckBox)findViewById(R.id.show_sleep);
	mShowSleepCB.setOnClickListener(mShowSleepClicked);
	mShowXmppCB = (CheckBox)findViewById(R.id.show_xmpp);
	mShowXmppCB.setOnClickListener(mShowXmppClicked);
	mMaxProcsSpinner = (Spinner)findViewById(R.id.max_procs);
	mMaxProcsSpinner.setOnItemSelectedListener(mMaxProcsChanged);
	ArrayAdapter<String> adapter = new ArrayAdapter<String>(
	this,
	android.R.layout.simple_spinner_item,
	new String[] {
	"No App Process Limit",
	"Max 1 App Process",
	"Max 2 App Processes",
	"Max 3 App Processes",
	"Max 4 App Processes" });
	adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	mMaxProcsSpinner.setAdapter(adapter);
	mWindowAnimationScaleSpinner = setupAnimationSpinner(
	R.id.window_animation_scale, mWindowAnimationScale, "Window");
	mTransitionAnimationScaleSpinner = setupAnimationSpinner(
	R.id.transition_animation_scale, mTransitionAnimationScale, "Transition");

	if (FONT_HINTING_ENABLED) {
	mFontHintingSpinner = (Spinner)findViewById(R.id.font_hinting);
	mFontHintingSpinner.setOnItemSelectedListener(mFontHintingChanged);
	adapter = new ArrayAdapter<String>(
	this,
	android.R.layout.simple_spinner_item,
	new String[] {
	"Light Hinting",
	"Medium Hinting" });
	adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	mFontHintingSpinner.setAdapter(adapter);
	}
	mSharedPrefs = getSharedPreferences("global", 0);
	mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
	}

	Spinner setupAnimationSpinner(int resid,
	AnimationScaleSelectedListener listener, String name) {
	Spinner spinner = (Spinner)findViewById(resid);
	spinner.setOnItemSelectedListener(listener);
	ArrayAdapter adapter = new ArrayAdapter<String>(
	this,
	android.R.layout.simple_spinner_item,
	new String[] {
	name + " Animation Scale 1x",
	name + " Animation Scale 2x",
	name + " Animation Scale 5x",
	name + " Animation Scale 10x",
	name + " Animation Off" });
	adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	spinner.setAdapter(adapter);
	listener.spinner = spinner;
	return spinner;
	}

	@Override
	public void onResume() {
	super.onResume();
	updateDebugOptions();
	updateFinishOptions();
	updateProcessLimitOptions();
	updateSharedOptions();
	updateFlingerOptions();
	updateSleepOptions();
	updateXmppOptions();

	try {
	FileInputStream in = new FileInputStream( FONT_HINTING_FILE );
	int mode = in.read() - 48;
	if (mode >= 0 && mode < 3)
	mFontHintingSpinner.setSelection(mode);
	in.close();
	} catch (Exception e) {
	}

	mWindowAnimationScale.load();
	mTransitionAnimationScale.load();
	}

	private void writeDebugOptions() {
	try {
	ActivityManagerNative.getDefault().setDebugApp(
	mDebugApp, mWaitForDebugger, true);
	} catch (RemoteException ex) {
	}
	}

	private void updateDebugOptions() {
	mDebugApp = Settings.System.getString(
	getContentResolver(), Settings.System.DEBUG_APP);
	mWaitForDebugger = Settings.System.getInt(
	getContentResolver(), Settings.System.WAIT_FOR_DEBUGGER, 0) != 0;

	mDebugAppButton.setText(
	mDebugApp == null \|\| mDebugApp.length() == 0 ? "(none)" : mDebugApp);
	mWaitForDebuggerCB.setChecked(mWaitForDebugger);
	}

	private void writeFinishOptions() {
	try {
	ActivityManagerNative.getDefault().setAlwaysFinish(mAlwaysFinish);
	} catch (RemoteException ex) {
	}
	}

	private void updateFinishOptions() {
	mAlwaysFinish = Settings.System.getInt(
	getContentResolver(), Settings.System.ALWAYS_FINISH_ACTIVITIES, 0) != 0;
	mAlwaysFinishCB.setChecked(mAlwaysFinish);
	}

	private void writeProcessLimitOptions() {
	try {
	ActivityManagerNative.getDefault().setProcessLimit(mProcessLimit);
	} catch (RemoteException ex) {
	}
	}

	private void updateProcessLimitOptions() {
	try {
	mProcessLimit = ActivityManagerNative.getDefault().getProcessLimit();
	mMaxProcsSpinner.setSelection(mProcessLimit);
	} catch (RemoteException ex) {
	}
	}

	private void updateSharedOptions() {
	mShowLoadCB.setChecked(Settings.System.getInt(getContentResolver(),
	Settings.System.SHOW_PROCESSES, 0) != 0);
	}

	private void updateFlingerOptions() {
	// magic communication with surface flinger.
	try {
	IBinder flinger = ServiceManager.getService("SurfaceFlinger");
	if (flinger != null) {
	Parcel data = Parcel.obtain();
	Parcel reply = Parcel.obtain();
	data.writeInterfaceToken("android.ui.ISurfaceComposer");
	flinger.transact(1010, data, reply, 0);
	int v;
	v = reply.readInt();
	mShowCpuCB.setChecked(v != 0);
	v = reply.readInt();
	mEnableGLCB.setChecked(v != 0);
	v = reply.readInt();
	mShowUpdatesCB.setChecked(v != 0);
	v = reply.readInt();
	mShowBackgroundCB.setChecked(v != 0);
	reply.recycle();
	data.recycle();
	}
	} catch (RemoteException ex) {
	}
	}

	private void writeSleepOptions() {
	try {
	FileOutputStream os = new FileOutputStream(
	"/sys/devices/platform/gpio_sleep_debug/enable", true);
	if(mShowSleep)
	os.write(new byte[] { (byte)'1' });
	else
	os.write(new byte[] { (byte)'0' });
	os.close();
	} catch (Exception e) {
	Log.w(TAG, "Failed setting gpio_sleep_debug");
	}
	}

	private void updateSleepOptions() {
	try {
	FileInputStream is = new FileInputStream(
	"/sys/devices/platform/gpio_sleep_debug/enable");
	int character = is.read();
	mShowSleep = character == '1';
	is.close();
	} catch (Exception e) {
	Log.w(TAG, "Failed reading gpio_sleep_debug");
	mShowSleep = false;
	}
	mShowSleepCB.setChecked(mShowSleep);
	}

	private void writeXmppOptions() {
	Settings.System.setShowGTalkServiceStatus(getContentResolver(), mShowXmpp);
	}

	private void updateXmppOptions() {
	mShowXmpp = Settings.System.getShowGTalkServiceStatus(getContentResolver());
	mShowXmppCB.setChecked(mShowXmpp);
	}

	private View.OnClickListener mDebugAppClicked = new View.OnClickListener() {
	public void onClick(View v) {
	Intent intent = new Intent(Intent.ACTION_MAIN);
	intent.setClass(DevelopmentSettings.this, AppPicker.class);
	startActivityForResult(intent, DEBUG_APP_REQUEST);
	}
	};

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
	if (requestCode == DEBUG_APP_REQUEST && resultCode == RESULT_OK) {
	mDebugApp = intent.getAction();
	writeDebugOptions();
	updateDebugOptions();
	}
	}

	private View.OnClickListener mWaitForDebuggerClicked =
	new View.OnClickListener() {
	public void onClick(View v) {
	mWaitForDebugger = ((CheckBox)v).isChecked();
	writeDebugOptions();
	updateDebugOptions();
	}
	};

	private View.OnClickListener mAlwaysFinishClicked =
	new View.OnClickListener() {
	public void onClick(View v) {
	mAlwaysFinish = ((CheckBox)v).isChecked();
	writeFinishOptions();
	updateFinishOptions();
	}
	};

	private View.OnClickListener mShowLoadClicked = new View.OnClickListener() {
	public void onClick(View v) {
	boolean value = ((CheckBox)v).isChecked();
	Settings.System.putInt(getContentResolver(),
	Settings.System.SHOW_PROCESSES, value ? 1 : 0);
	Intent service = (new Intent())
	.setClassName("android", "com.android.server.LoadAverageService");
	if (value) {
	startService(service);
	} else {
	stopService(service);
	}
	}
	};

	private class SurfaceFlingerClicker implements CheckBox.OnCheckedChangeListener {
	SurfaceFlingerClicker(int code) {
	mCode = code;
	}

	public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
	try {
	IBinder flinger = ServiceManager.getService("SurfaceFlinger");
	if (flinger != null) {
	Parcel data = Parcel.obtain();
	data.writeInterfaceToken("android.ui.ISurfaceComposer");
	data.writeInt(isChecked ? 1 : 0);
	flinger.transact(mCode, data, null, 0);
	data.recycle();

	updateFlingerOptions();
	}
	} catch (RemoteException ex) {
	}
	}

	final int mCode;
	}

	private View.OnClickListener mShowSleepClicked =
	new View.OnClickListener() {
	public void onClick(View v) {
	mShowSleep = ((CheckBox)v).isChecked();
	writeSleepOptions();
	updateSleepOptions();
	}
	};

	private View.OnClickListener mShowXmppClicked = new View.OnClickListener() {
	public void onClick(View v) {
	mShowXmpp = ((CheckBox)v).isChecked();
	// can streamline these calls, but keeping consistent with the
	// other development settings code.
	writeXmppOptions();
	updateXmppOptions();
	}
	};

	private Spinner.OnItemSelectedListener mMaxProcsChanged
	= new Spinner.OnItemSelectedListener() {
	public void onItemSelected(android.widget.AdapterView av, View v,
	int position, long id) {
	mProcessLimit = position;
	writeProcessLimitOptions();
	}

	public void onNothingSelected(android.widget.AdapterView av) {
	}
	};

	private Spinner.OnItemSelectedListener mFontHintingChanged
	= new Spinner.OnItemSelectedListener() {
	public void onItemSelected(android.widget.AdapterView av, View v,
	int position, long id) {
	try {
	FileOutputStream out = new FileOutputStream( FONT_HINTING_FILE );
	out.write(position+48);
	out.close();
	} catch (Exception e) {
	Log.w(TAG, "Failed to write font hinting settings to /data/misc/font-hack");
	}
	}

	public void onNothingSelected(android.widget.AdapterView av) {
	}
	};

	class AnimationScaleSelectedListener implements OnItemSelectedListener {
	final int which;
	float scale;
	Spinner spinner;

	AnimationScaleSelectedListener(int _which) {
	which = _which;
	}

	void load() {
	try {
	scale = mWindowManager.getAnimationScale(which);

	if (scale > 0.1f && scale < 2.0f) {
	spinner.setSelection(0);
	} else if (scale >= 2.0f && scale < 3.0f) {
	spinner.setSelection(1);
	} else if (scale >= 4.9f && scale < 6.0f) {
	spinner.setSelection(2);
	} else if (scale >= 9.9f && scale < 11.0f) {
	spinner.setSelection(3);
	} else {
	spinner.setSelection(4);
	}
	} catch (RemoteException e) {
	}
	}

	public void onItemSelected(android.widget.AdapterView av, View v,
	int position, long id) {
	switch (position) {
	case 0: scale = 1.0f; break;
	case 1: scale = 2.0f; break;
	case 2: scale = 5.0f; break;
	case 3: scale = 10.0f; break;
	case 4: scale = 0.0f; break;
	default: break;
	}

	try {
	mWindowManager.setAnimationScale(which, scale);
	} catch (RemoteException e) {
	}
	}

	public void onNothingSelected(android.widget.AdapterView av) {
	}
	}
	}