Android抢红包助手开发全攻略

<?xml version="1.0" encoding="utf-8"?><LinearLayout android:id="@+id/root" xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginLeft="10dp" android:layout_marginRight="10dp" android:layout_marginTop="5dp" android:orientation="vertical" tools:context="com.fndroid.administrator.justforyou.MainActivity"> <LinearLayout  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:orientation="horizontal">  <TextView   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:layout_weight="3"   android:text="打开提示音"/>  <CheckBox   android:id="@+id/isMusic"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/> </LinearLayout> <LinearLayout  android:layout_width="match_parent"  android:layout_height="wrap_content">  <TextView   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:layout_gravity="center"   android:text="音量调节"/>  <SeekBar   android:id="@+id/seekbar"   android:layout_width="wrap_content"   android:layout_height="wrap_content"   android:layout_gravity="center"   android:layout_weight="1"/> </LinearLayout> <LinearLayout  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:orientation="horizontal">  <TextView   android:layout_width="0dp"   android:layout_height="wrap_content"   android:layout_weight="3"   android:text="有红包亮屏并解锁"/>  <CheckBox   android:id="@+id/isUnlock"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/> </LinearLayout> <Button  android:id="@+id/setPermision"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:layout_gravity="center"  android:text="设置通知权限"/> <ScrollView  android:layout_width="match_parent"  android:layout_height="match_parent">  <LinearLayout   android:layout_width="match_parent"   android:layout_height="match_parent"   android:orientation="vertical">   <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_marginTop="10dp"    android:text="声明："/>   <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="本软件为个人开发所得，只能对微信红包进行提醒。请合理使用本软件，使用不当造成的各种行为均与本人无关。软件使用过程不联网，不存在任何盗窃用户信息行为，请放心使用。"/>   <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_marginTop="10dp"    android:text="使用方法："/>   <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="①如果未赋予软件读取通知权限，点击按钮“设置通知权限"/>   <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="②在本软件右侧勾选上，并确认提示信息"/>   <ImageView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:scaleType="fitCenter"    android:src="@drawable/inf"/>   <TextView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="③关闭微信群的消息免打扰（取消图中的绿色按钮）"/>   <ImageView    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:src="@drawable/inf2"/>  </LinearLayout> </ScrollView></LinearLayout> 

// 编写一个NotificationListenerService的子类并实现onNotificationPosted和onNotificationRemoved方法// 这两个方法在从SDK版本21的时候开始变成了非抽象，不重写则不能兼容21以下设备public class NotificationService extends NotificationListenerService { private KeyguardManager.KeyguardLock kl; @Override public void onNotificationPosted(StatusBarNotification sbn) {  // 主界面设置的信息保存在SharedPreferences中，在这里进行获取  SharedPreferences sharedPreferences = getSharedPreferences("userdata", MODE_PRIVATE);  // 判断消息是否为微信红包  if (sbn.getNotification().tickerText.toString().contains("[微信红包]") && sbn.getPackageName    ().equals("com.tencent.mm")) {   // 读取设置信息，判断是否该点亮屏幕并解开锁屏，解锁的原理是把锁屏关闭掉   if (sharedPreferences.getBoolean("isUnlock",true)) {    KeyguardManager km = (KeyguardManager) getSystemService(getApplicationContext()      .KEYGUARD_SERVICE);    kl = km.newKeyguardLock("unlock");    // 把系统锁屏暂时关闭    kl.disableKeyguard();    PowerManager pm = (PowerManager) getSystemService(getApplicationContext()      .POWER_SERVICE);    PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP |      PowerManager.SCREEN_DIM_WAKE_LOCK, "bright");    wl.acquire();    wl.release();   }   try {    // 打开notification所对应的pendingintent    sbn.getNotification().contentIntent.send();   } catch (PendingIntent.CanceledException e) {    e.printStackTrace();   }   // 判断是否该播放提示音   if (sharedPreferences.getBoolean("isMusic",true)){    MediaPlayer mediaPlayer = new MediaPlayer().create(this, R.raw.heihei);    mediaPlayer.start();   }   // 这里监听一下系统广播，判断如果屏幕熄灭就把系统锁屏还原   IntentFilter intentFilter = new IntentFilter();   intentFilter.addAction("android.intent.action.SCREEN_OFF");   ScreenOffReceiver screenOffReceiver = new ScreenOffReceiver();   registerReceiver(screenOffReceiver, intentFilter);  } } class ScreenOffReceiver extends BroadcastReceiver {  @Override  public void onReceive(Context context, Intent intent) {   if (kl != null) {    // 还原锁屏    kl.reenableKeyguard();   }  } } @Override public void onNotificationRemoved(StatusBarNotification sbn) {  super.onNotificationRemoved(sbn); }} 

public class MainActivity extends AppCompatActivity implements CompoundButton  .OnCheckedChangeListener, View.OnClickListener,SeekBar.OnSeekBarChangeListener { private LinearLayout root; private CheckBox isMusic; private CheckBox isUnlock; private SharedPreferences.Editor editor; private SharedPreferences sharedPreferences; private Button setPermision; private SeekBar seekBar; private AudioManager audioManager; @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  // 获取控件实例  root = (LinearLayout) findViewById(R.id.root);  isMusic = (CheckBox) findViewById(R.id.isMusic);  isUnlock = (CheckBox) findViewById(R.id.isUnlock);  setPermision = (Button) findViewById(R.id.setPermision);  seekBar = (SeekBar) findViewById(R.id.seekbar);  // 注册监听  isMusic.setOnCheckedChangeListener(this);  isUnlock.setOnCheckedChangeListener(this);  setPermision.setOnClickListener(this);  seekBar.setOnSeekBarChangeListener(this);  // 读取设置信息  sharedPreferences = getSharedPreferences("userdata", MODE_PRIVATE);  editor = sharedPreferences.edit();  boolean music = sharedPreferences.getBoolean("isMusic", true);  boolean unlock = sharedPreferences.getBoolean("isUnlock", true);  isMusic.setChecked(music);  isUnlock.setChecked(unlock);  // 获得Audiomanager，控制系统音量  audioManager = (AudioManager) getSystemService(this.AUDIO_SERVICE);  seekBar.setMax(audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC));  seekBar.setProgress(audioManager.getStreamVolume(AudioManager.STREAM_MUSIC));  // 监听系统媒体音量改变，并改变界面上的Seekbar的进度  IntentFilter intentFilter = new IntentFilter();  intentFilter.addAction("android.media.VOLUME_CHANGED_ACTION");  VolumReceiver receiver = new VolumReceiver();  registerReceiver(receiver,intentFilter);  // 开启服务  Intent intent = new Intent(MainActivity.this, NotificationService.class);  startService(intent); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) {  // 判断返回键点击，提示用户是否确认退出  if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {   Snackbar snackbar = Snackbar.make(root, "退出软件", Snackbar.LENGTH_LONG)     .setAction("确认", new View.OnClickListener() {      @Override      public void onClick(View v) {       MainActivity.this.finish();      }     });   snackbar.show();   return true;  }  return super.onKeyDown(keyCode, event); } @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {  // checkbox的点击监听  switch (buttonView.getId()) {   case R.id.isMusic:    editor.putBoolean("isMusic", isChecked);    editor.commit();    break;   case R.id.isUnlock:    editor.putBoolean("isUnlock", isChecked);    editor.commit();    break;  } } @Override public void onClick(View v) {  switch (v.getId()){   case R.id.setPermision:    // 打开系统里面的服务，方便用户直接赋予权限    Intent intent = new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS);    startActivity(intent);    break;  } } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { } @Override public void onStartTrackingTouch(SeekBar seekBar) { } @Override public void onStopTrackingTouch(SeekBar seekBar) {  // seekbar的监听，滑动停止就修改系统媒体音量  audioManager.setStreamVolume(AudioManager.STREAM_MUSIC,seekBar.getProgress(),0); } // 音量广播接收 class VolumReceiver extends BroadcastReceiver{  @Override  public void onReceive(Context context, Intent intent) {   seekBar.setProgress(audioManager.getStreamVolume(AudioManager.STREAM_MUSIC));  } }} 

<?xml version="1.0" encoding="utf-8"?><manifest package="com.fndroid.administrator.justforyou"   xmlns:android="http://schemas.android.com/apk/res/android"> <uses-permission android:name="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE"/> <uses-permission android:name="android.permission.WAKE_LOCK" /> <uses-permission android:name="android.permission.DISABLE_KEYGUARD" /> <application  android:allowBackup="true"  android:icon="@mipmap/ic_launcher"  android:label="@string/app_name"  android:supportsRtl="true"  android:theme="@style/AppTheme">  <activity android:name=".MainActivity">   <intent-filter>    <action android:name="android.intent.action.MAIN"/>    <category android:name="android.intent.category.LAUNCHER"/>   </intent-filter>  </activity>  <service android:name=".NotificationService"     android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">   <intent-filter>    <action android:name="android.service.notification.NotificationListenerService" />   </intent-filter>  </service> </application></manifest> 

dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.1.1' compile 'com.android.support:design:23.1.1'}