142.看门狗实现程序锁密码
来源：互联网 发布：ubuntu中文字体设置 编辑：程序博客网 时间：2024/06/07 13:44
程序锁需要实时监听应用程序，利用看门狗服务实现。首先获取到所有的任务栈，任务栈最上面的就是刚刚点击的应用，然后便利程序锁数据库，看在不在程序锁数据库中，在程序锁数据库中，就直接跳转到输入密码的界面，由于EditText会获取到焦点，点击的时候会获取到系统的键盘，需要先隐藏系统的键盘et_pwd.setInputType(InputType.TYPE_NULL);
服务不能直接跳activity,需要设置标记
//服务网activity跳转需要设置flagintent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
获取任务栈需要权限
<uses-permission android:name="android.permission.GET_TASKS"></uses-permission>
注册看门狗的服务
<service android:name="com.ldw.safe.service.WatchDogService"></service>
设置密码的界面activity_set_pwd.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView style="@style/TitleStyle" android:text="请输入隐私密码" /> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/icon_lock_big" android:layout_marginTop="20dp" android:layout_gravity="center_horizontal" /> <RelativeLayout android:layout_width="match_parent" android:layout_height="wrap_content" > <EditText android:id="@+id/et_pwd" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:layout_marginRight="10dp" android:layout_marginTop="20dp" /> <Button android:id="@+id/bt_ok" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="确定" android:layout_alignParentRight="true" android:layout_marginRight="10dp" android:background="@drawable/desktop_button_1" /> </RelativeLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="bottom" android:orientation="vertical" android:background="#22000000"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <Button android:id="@+id/bt_1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="1" /> <Button android:id="@+id/bt_2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="2" /> <Button android:id="@+id/bt_3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="3" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <Button android:id="@+id/bt_4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="4" /> <Button android:id="@+id/bt_5" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="5" /> <Button android:id="@+id/bt_6" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="6" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <Button android:id="@+id/bt_7" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="7" /> <Button android:id="@+id/bt_8" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="8" /> <Button android:id="@+id/bt_9" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="9" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <Button android:id="@+id/bt_clean_all" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="清空" /> <Button android:id="@+id/bt_0" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="0" /> <Button android:id="@+id/bt_delete" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="删除" /> </LinearLayout> </LinearLayout></LinearLayout>
看门狗服务开启的界面activity_setting.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:ldw="http://schemas.android.com/apk/res/com.ldw.safe" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView style="@style/TitleStyle" android:text="手机设置" /> <com.ldw.safe.view.SettingItemView android:id="@+id/siv_update" android:layout_width="match_parent" android:layout_height="wrap_content" ldw:title="自动更新设置" ldw:desc_on="自动更新已开启" ldw:desc_off="自动更新已关闭" /> <com.ldw.safe.view.SettingItemView android:id="@+id/siv_address" android:layout_width="match_parent" android:layout_height="wrap_content" ldw:title="电话归属地显示设置" ldw:desc_on="电话归属地显示已开启" ldw:desc_off="电话归属地显示已关闭" /> <com.ldw.safe.view.SettingClickView android:id="@+id/scv_address_style" android:layout_width="match_parent" android:layout_height="wrap_content" /> <com.ldw.safe.view.SettingClickView android:id="@+id/scv_address_location" android:layout_width="match_parent" android:layout_height="wrap_content" /> <com.ldw.safe.view.SettingItemView android:id="@+id/siv_callsafe" android:layout_width="match_parent" android:layout_height="wrap_content" ldw:title="黑名单更新设置" ldw:desc_on="黑名单更新已开启" ldw:desc_off="黑名单更新已关闭" /> <com.ldw.safe.view.SettingItemView android:id="@+id/siv_watch_dog" android:layout_width="match_parent" android:layout_height="wrap_content" ldw:title="看门狗设置" ldw:desc_on="看门狗已经打开" ldw:desc_off="看门狗已经关闭" /></LinearLayout>看门狗服务的初始化逻辑文件SettingActivity.java
package com.ldw.safe.Activity;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.Intent;import android.content.SharedPreferences;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import com.ldw.safe.R;import com.ldw.safe.service.AddressService;import com.ldw.safe.service.CallSafeService;import com.ldw.safe.service.WatchDogService;import com.ldw.safe.utils.ServiceStatusUtils;import com.ldw.safe.view.SettingClickView;import com.ldw.safe.view.SettingItemView;/** * 设置中心 */public class SettingActivity extends Activity {private SettingItemView siv_update;//设置自动更新private SettingItemView siv_address;//归属地private SettingClickView scv_address_style;//归属地显示的风格private SettingClickView scv_address_location;//初始化归属地的位置private SettingItemView siv_callsafe;//黑名单private SettingItemView siv_watch_dog;//看门狗private SharedPreferences mPref;//把设置的数据保存在mPref@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_setting); //把设置的数据保存在mPref mPref = getSharedPreferences("config", MODE_PRIVATE); initUpdateView();//初始化自动升级开关 initAdressView();//初始化归属地开关 initAddressStyle();//初始化归属地样式的选择 initAddressLocation();//初始化归属地出现的位置 initBlackView();//黑名单设置开关 initWatchDog();}/* * 看门狗设置初始化 */private void initWatchDog() {siv_watch_dog = (SettingItemView) findViewById(R.id.siv_watch_dog); // 根据归属地服务是否运行来更新checkbox boolean serviceRunning = ServiceStatusUtils.isServiceRunning(this, "com.ldw.safe.service.WatchDogService"); if (serviceRunning) { siv_watch_dog.setChecked(true); } else { siv_watch_dog.setChecked(false); } siv_watch_dog.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (siv_watch_dog.isChecked()) { siv_watch_dog.setChecked(false); stopService(new Intent(SettingActivity.this, WatchDogService.class));// 停止归属地服务 } else { siv_watch_dog.setChecked(true); startService(new Intent(SettingActivity.this, WatchDogService.class));// 开启归属地服务 } } });}/* * 黑名单设置初始化 */private void initBlackView() {siv_callsafe = (SettingItemView) findViewById(R.id.siv_callsafe); // 根据归属地服务是否运行来更新checkbox boolean serviceRunning = ServiceStatusUtils.isServiceRunning(this, "com.ldw.safe.service.CallSafeService"); if (serviceRunning) { siv_callsafe.setChecked(true); } else { siv_callsafe.setChecked(false); } siv_callsafe.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (siv_callsafe.isChecked()) { siv_callsafe.setChecked(false); stopService(new Intent(SettingActivity.this, CallSafeService.class));// 停止归属地服务 } else { siv_callsafe.setChecked(true); startService(new Intent(SettingActivity.this, CallSafeService.class));// 开启归属地服务 } } });}/* * 初始化自动升级开关 */private void initUpdateView(){siv_update = (SettingItemView)findViewById(R.id.siv_update); //siv_update.setTitle("自动更新设置"); //获取保存的数据，判断之前选择的是开始还是关闭,初始化进入界面是否勾选 boolean autoUpdate = mPref.getBoolean("auto_update", true); if(autoUpdate){ siv_update.setDesc("自动更新已经开启"); siv_update.setChecked(true); }else{ siv_update.setDesc("自动更新已经关闭"); siv_update.setChecked(false); } siv_update.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View v) {//判断右边框的勾选状态if(siv_update.isChecked()){//设置不勾选siv_update.setChecked(false);//siv_update.setDesc("自动更新已经关闭");//编辑mPref的值mPref.edit().putBoolean("auto_update", false).commit();}else{//设置勾选siv_update.setChecked(true);//siv_update.setDesc("自动更新已经开启");//编辑mPref的值mPref.edit().putBoolean("auto_update", true).commit();}} });}/* * 初始化归属地开关 */private void initAdressView(){siv_address = (SettingItemView) findViewById(R.id.siv_address);//判断归属地的服务是否在运行boolean serviceRunning = ServiceStatusUtils.isServiceRunning(this, "com.ldw.safe.service.AddressService");//让服务的那个勾选框根据系统中是否有服务来判断是否去开启if(serviceRunning){siv_address.setChecked(true);}else{siv_address.setChecked(false);}siv_address.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View v) {if(siv_address.isChecked()){siv_address.setChecked(false);stopService(new Intent(SettingActivity.this, AddressService.class));}else{siv_address.setChecked(true);//号码归属地显示开启的时候要开启服务startService(new Intent(SettingActivity.this, AddressService.class));}}});}/* * 修改号码归属地提示框的风格 */private void initAddressStyle(){scv_address_style = (SettingClickView) findViewById(R.id.scv_address_style);scv_address_style.setTitle("归属地提示框风格");//获取保存的样式int style = mPref.getInt("address_Style", 0);//设置样式scv_address_style.setDesc(items[style]);scv_address_style.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View v) {// TODO Auto-generated method stubshowSingleChooseDialog();}});}final String[] items = new String[]{"半透明", "活力橙", "卫士蓝", "金属灰", "苹果绿"};/* * 弹出归属地样式选择的单选框 */public void showSingleChooseDialog(){AlertDialog.Builder builder = new AlertDialog.Builder(this);//设置选择框额logobuilder.setIcon(R.drawable.ic_launcher);builder.setTitle("归属地提示框风格");//获取保存的风格样式，默认为0int style = mPref.getInt("address_Style", 0);builder.setSingleChoiceItems(items, style, new DialogInterface.OnClickListener(){@Overridepublic void onClick(DialogInterface dialog, int which) {//保存选择的样式的序号mPref.edit().putInt("address_Style", which).commit();//点击以后对话框消失dialog.dismiss();//设置组合控件的文字描述scv_address_style.setDesc(items[which]);}});builder.setNegativeButton("取消", null);builder.show();}/* * 初始化归属地出现的位置 */private void initAddressLocation(){scv_address_location = (SettingClickView) findViewById(R.id.scv_address_location);scv_address_location.setTitle("归属地提示框的显示位置");scv_address_location.setDesc("设置归属地提示框的显示位置");scv_address_location.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View v) {//点击以后直接跳转页面startActivity(new Intent(SettingActivity.this, DragViewActivity.class));}});}}看门狗的服务，同时注册广播，根据屏幕的开启和关闭来启动和关闭看门狗WatchDogReceiver.java
package com.ldw.safe.service;import java.util.List;import android.app.ActivityManager;import android.app.ActivityManager.RunningTaskInfo;import android.app.Service;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.IBinder;import android.os.SystemClock;import com.ldw.safe.Activity.EnterPwdActivity;import com.ldw.safe.db.dao.AppLockDao;public class WatchDogService extends Service {private ActivityManager activityManager;private AppLockDao dao;private List<String> appLockInfos;//临时停止保护的包名private String tempStopProtectPackageName;@Overridepublic IBinder onBind(Intent intent) {// TODO Auto-generated method stubreturn null;}private class WatchDogReceiver extends BroadcastReceiver{@Overridepublic void onReceive(Context context, Intent intent) {if(intent.getAction().equals("com.ldw.safe.stopprotect")){//获取到停止保护的对象tempStopProtectPackageName = intent.getStringExtra("packageName");}else if(intent.getAction().equals(Intent.ACTION_SCREEN_OFF)){tempStopProtectPackageName = null;// 让看门狗休息flag = false;}else if(intent.getAction().equals(Intent.ACTION_SCREEN_ON)){//让看门狗继续干活if(flag == false){startWatchDog();}}}}@Overridepublic void onCreate(){super.onCreate();dao = new AppLockDao(this);appLockInfos = dao.findAll();receiver = new WatchDogReceiver();IntentFilter filter = new IntentFilter();//停止保护filter.addAction("com.ldw.safe.stopprotect");//注册一个锁屏的广播，当锁屏的时候看门狗关闭//屏幕解锁的时候看门狗打开filter.addAction(Intent.ACTION_SCREEN_OFF);filter.addAction(Intent.ACTION_SCREEN_ON);//注册广播registerReceiver(receiver, filter);//获取到进程管理器activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);//首先获取到当前的任务栈//知道任务栈最上面的任务（刚刚点击操作的任务栈）startWatchDog();}//标记当前看门狗的状态，默认falseprivate boolean flag = false;private WatchDogReceiver receiver;private void startWatchDog() {//由于看门狗一直在后台运行，子线程中操作，防止阻塞主线程new Thread(){public void run(){flag = true;//一直在后台运行while (flag) {//由于这个狗一直在后台运行。为了避免程序阻塞。//获取到当前正在运行的任务栈List<RunningTaskInfo> tasks = activityManager.getRunningTasks(1);//获取到最上面的进程RunningTaskInfo taskInfo = tasks.get(0);//获取到最顶端应用程序的包名String packageName = taskInfo.topActivity.getPackageName();System.out.println(packageName);//让狗休息一会SystemClock.sleep(30);//直接从数据库里面查找当前的数据//这个可以优化。改成从内存当中寻找if(appLockInfos.contains(packageName)){//if(dao.find(packageName)){//System.out.println("在程序锁数据库里面");//说明需要临时取消保护//是因为用户输入了正确的密码if(packageName.equals(tempStopProtectPackageName)){}else{Intent intent = new Intent(WatchDogService.this,EnterPwdActivity.class);/** * 需要注意：如果是在服务里面往activity界面跳的话。需要设置flag */intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//停止保护的对象intent.putExtra("packageName", packageName);startActivity(intent);}}}};}.start();}@Overridepublic void onDestroy(){super.onDestroy();flag = false;unregisterReceiver(receiver);receiver = null;}}密码输入的逻辑文件EnterPwdActivity.java
package com.ldw.safe.Activity;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.text.InputType;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;import com.ldw.safe.R;import com.ldw.safe.utils.UIUtils;public class EnterPwdActivity extends Activity implements OnClickListener {private EditText et_pwd;private Button bt_0;private Button bt_1;private Button bt_2;private Button bt_3;private Button bt_4;private Button bt_5;private Button bt_6;private Button bt_7;private Button bt_8;private Button bt_9;private Button bt_clean_all;private Button bt_delete;private Button bt_ok;private String packageName;@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_set_pwd); initUi();}private void initUi() {et_pwd = (EditText) findViewById(R.id.et_pwd);// 隐藏当前的键盘et_pwd.setInputType(InputType.TYPE_NULL);bt_0 = (Button) findViewById(R.id.bt_0);bt_1 = (Button) findViewById(R.id.bt_1);bt_2 = (Button) findViewById(R.id.bt_2);bt_3 = (Button) findViewById(R.id.bt_3);bt_4 = (Button) findViewById(R.id.bt_4);bt_5 = (Button) findViewById(R.id.bt_5);bt_6 = (Button) findViewById(R.id.bt_6);bt_7 = (Button) findViewById(R.id.bt_7);bt_8 = (Button) findViewById(R.id.bt_8);bt_9 = (Button) findViewById(R.id.bt_9);bt_ok = (Button) findViewById(R.id.bt_ok);bt_ok.setOnClickListener(this);bt_clean_all = (Button) findViewById(R.id.bt_clean_all);bt_delete = (Button) findViewById(R.id.bt_delete);// 清空bt_clean_all.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {et_pwd.setText("");}});// 删除bt_delete.setOnClickListener(new OnClickListener() {private String str;@Overridepublic void onClick(View v) {str = et_pwd.getText().toString();if (str.length() == 0) {return;}et_pwd.setText(str.substring(0, str.length() - 1));}});bt_0.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_0.getText().toString());}});bt_1.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_1.getText().toString());}});bt_2.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_2.getText().toString());}});bt_3.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_3.getText().toString());}});bt_4.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_4.getText().toString());}});bt_5.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_5.getText().toString());}});bt_6.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_6.getText().toString());}});bt_7.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_7.getText().toString());}});bt_8.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_8.getText().toString());}});bt_9.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {String str = et_pwd.getText().toString();et_pwd.setText(str + bt_9.getText().toString());}});}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.bt_ok:String result = et_pwd.getText().toString();if ("123".equals(result)) {// 如果密码正确。说明是自己人/** * 是自己家人。不要拦截他 */System.out.println("密码输入正确");Intent intent = new Intent();// 发送广播。停止保护intent.setAction("com.ldw.safe.stopprotect");// 跟狗说。现在停止保护短信intent.putExtra("packageName", packageName);sendBroadcast(intent);finish();} else {UIUtils.showToast(EnterPwdActivity.this, "密码错误");}break;}}@Overridepublic void onBackPressed() {// 当用户输入后退健 的时候。我们进入到桌面Intent intent = new Intent();intent.setAction("android.intent.action.MAIN");intent.addCategory("android.intent.category.HOME");intent.addCategory("android.intent.category.DEFAULT");intent.addCategory("android.intent.category.MONKEY");startActivity(intent);}} 0 0
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