安卓添加虚拟按键（home键，返回键，列表键）
Platform: msm8916
OS:安卓5.1
Kernel: 3.10.49
相关文章：安卓去除虚拟按键
实现功能：1.导航栏添加声音图标（声音有两种状态，打开和关闭）
2.在打开状态下———点击———》图标会改变成关闭状态。
3.点击时同时会发送广播，通知应用。
com.android.open.sound
com.android.close.sound
文件修改：
xml布局文件：
--- a/frameworks/base/packages/SystemUI/res/layout/navigation_bar.xml
+++ b/frameworks/base/packages/SystemUI/res/layout/navigation_bar.xml
@@ -87,7 +87,22 @@
+++ b/frameworks/base/packages/SystemUI/res/layout/navigation_bar.xml
@@ -87,7 +87,22 @@
android:scaleType="center"
android:visibility="gone"
android:contentDescription="@string/accessibility_recent"
+ />
+
+
--- a/frameworks/base/packages/SystemUI/res/layout-sw600dp/navigation_bar.xml
+++ b/frameworks/base/packages/SystemUI/res/layout-sw600dp/navigation_bar.xml
@@ -80,7 +80,15 @@
android:layout_weight="0"
android:visibility="gone"
android:contentDescription="@string/accessibility_recent"
- />
+ />
+ --- a/frameworks/base/packages/SystemUI/res/values/strings.xml
+++ b/frameworks/base/packages/SystemUI/res/values/strings.xml
@@ -204,6 +204,8 @@
Menu
Overview
+ Sound
+ Nosound --- a/frameworks/base/packages/SystemUI/res/values-zh-rCN/strings.xml
+++ b/frameworks/base/packages/SystemUI/res/values-zh-rCN/strings.xml
@@ -85,6 +85,8 @@
"主屏幕"
"菜单"
"概览"
+ "打开声音"
+ "关闭声音" java代码的修改：
--- a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -45,6 +45,13 @@ import android.view.inputmethod.InputMethodManager;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
+import android.content.BroadcastReceiver;
+import android.widget.Toast;
+import android.os.IBinder;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.content.Intent;
+import android.content.IntentFilter;
import com.android.systemui.R;
import com.android.systemui.statusbar.BaseStatusBar;
@@ -90,7 +97,7 @@ public class NavigationBarView extends LinearLayout {
// performs manual animation in sync with layout transitions
private final NavTransitionListener mTransitionListener = new NavTransitionListener();
-
+ AudioManager mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
private OnVerticalChangedListener mOnVerticalChangedListener;
private boolean mIsLayoutRtl;
private boolean mDelegateIntercepted;
@@ -255,6 +262,40 @@ public class NavigationBarView extends LinearLayout {
return mCurrentView.findViewById(R.id.recent_apps);
}
+ //add by zk
+ public View getAddVolume(){
+
+ IntentFilter mfilter = new IntentFilter( );
+ mfilter.addAction("com.android.open.audio");
+ mfilter.addAction("com.android.close.audio");
+ mContext.registerReceiver( mReceiver, mfilter );
+
+
+ ImageView mView = (ImageView)mCurrentView.findViewById(R.id.sound);
+
+
+
+ return mView;
+ }
+ BroadcastReceiver mReceiver = new BroadcastReceiver( ) {//接收应用发送过来的广播，保存了关机前的状态。
+ @Override
+ public void onReceive( Context context, Intent intent ) {
+ String action = intent.getAction( );
+ Log.e(TAG, "action ======= " + action);
+ ImageView mView = (ImageView)mCurrentView.findViewById(R.id.sound);
+ if(action.equals("com.android.open.audio"))
+ {
+ mView.setImageResource(R.drawable.ic_sysbar_sound); //显示打开音量图标
+ }else if(action.equals("com.android.close.audio"))
+ {
+ mView.setImageResource(R.drawable.ic_sysbar_nosound);//显示关闭的图标
+ }
+ }
+ };
+
+
+ //end
+
public View getMenuButton() {
return mCurrentView.findViewById(R.id.menu);
}
@@ -369,6 +410,7 @@ public class NavigationBarView extends LinearLayout {
getBackButton() .setVisibility(disableBack ? View.INVISIBLE : View.VISIBLE);
getHomeButton() .setVisibility(disableHome ? View.INVISIBLE : View.VISIBLE);
getRecentsButton().setVisibility(disableRecent ? View.INVISIBLE : View.VISIBLE);
+ getAddVolume().setVisibility(disableRecent ? View.INVISIBLE : View.VISIBLE);
getRecentsButton().setVisibility(View.GONE);
mBarTransitions.applyBackButtonQuiescentAlpha(mBarTransitions.getMode(), true /*animate*/);
@@ -477,7 +519,7 @@ public class NavigationBarView extends LinearLayout {
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
- mDelegateHelper.setInitialTouchRegion(getHomeButton(), getBackButton(), getRecentsButton());
+ mDelegateHelper.setInitialTouchRegion(getHomeButton(), getBackButton(), getRecentsButton(),getAddVolume());
}
@Override
@@ -650,7 +692,7 @@ public class NavigationBarView extends LinearLayout {
dumpButton(pw, "home", getHomeButton());
dumpButton(pw, "rcnt", getRecentsButton());
dumpButton(pw, "menu", getMenuButton());
-
+ dumpButton(pw, "menu", getAddVolume());
pw.println(" }");--- a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -184,6 +184,15 @@ import com.android.systemui.statusbar.stack.StackScrollAlgorithm;
import com.android.systemui.statusbar.stack.StackScrollState.ViewState;
import com.android.systemui.volume.VolumeComponent;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.content.Intent;
+import android.app.Application;
+import android.view.KeyCharacterMap;
+import android.view.KeyCharacterMap.FallbackAction;
+import android.view.KeyEvent;
+
+
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.ArrayList;
@@ -211,7 +220,8 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
= "com.android.internal.policy.statusbar.START";
public static final boolean SHOW_LOCKSCREEN_MEDIA_ARTWORK = true;
-
+
+ private static int sound_flag = 0;
private static final int MSG_OPEN_NOTIFICATION_PANEL = 1000;
private static final int MSG_CLOSE_PANELS = 1001;
private static final int MSG_OPEN_SETTINGS_PANEL = 1002;
@@ -643,7 +653,29 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
notifyUserAboutHiddenNotifications();
mScreenPinningRequest = new ScreenPinningRequest(mContext);
+ //add by zk
+ IntentFilter mfilter = new IntentFilter( );
+ mfilter.addAction("com.android.open.audio");
+ mfilter.addAction("com.android.close.audio");
+ mContext.registerReceiver( mReceiver, mfilter );
+
}//接收应用发送过来的广播，保存的是关机之前的状态。
+ BroadcastReceiver mReceiver = new BroadcastReceiver( ) {
+ @Override
+ public void onReceive( Context context, Intent intent ) {
+ String action = intent.getAction( );
+ Log.e(TAG, "action ======= " + action);
+ if(action.equals("com.android.open.audio"))
+ {
+ sound_flag = 1;
+ }else if(action.equals("com.android.close.audio"))
+ {
+ sound_flag = 0;
+ }
+ }
+ };
+
+
boolean isMSim() {
return (TelephonyManager.getDefault().getPhoneCount() > 1);
@@ -1299,6 +1331,7 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
mNavigationBarView.getBackButton().setLongClickable(true);
mNavigationBarView.getBackButton().setOnLongClickListener(mLongPressBackRecentsListener);
mNavigationBarView.getHomeButton().setOnTouchListener(mHomeActionListener);
//监听那个按键被按下。
+ mNavigationBarView.getAddVolume().setOnClickListener(mAddVolumeClickListener);
mNavigationBarView.getRecentsButton().setVisibility(View.GONE);
updateSearchPanel();
}
@@ -2844,6 +2877,37 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
}
checkBarModes();
}
+
+ private boolean flag=false;
+ private View.OnClickListener mAddVolumeClickListener = new View.OnClickListener() {
+ @Override
+ public void onClick(View view) {
+
+
+ ImageView mView = (ImageView)view;
+
+ if(sound_flag == 0){//根据标志位判断显示的状态。
+ //unmute
+ Log.d(TAG, "sendBroadcast:com.android.open.sound");
+ mView.setImageResource(R.drawable.ic_sysbar_sound);
+ Intent intent = new Intent();
+ intent.setAction("com.android.open.sound");//向应用发送广播。
+ mContext.sendBroadcast(intent);
+ sound_flag = 1;
+
+
+ }else {
+ //mute
+ Log.d(TAG, "sendBroadcast:com.android.close.sound");
+ mView.setImageResource(R.drawable.ic_sysbar_nosound);
+ Intent intent = new Intent();
+ intent.setAction("com.android.close.sound");//向应用发送广播。
+ mContext.sendBroadcast(intent);
+ sound_flag = 0;
+ }
+ }
+ };
intent.setAction("com.android.open.sound");//向应用发送广播。
+ mContext.sendBroadcast(intent);
+ sound_flag = 1;
+
+
+ }else {
+ //mute
+ Log.d(TAG, "sendBroadcast:com.android.close.sound");
+ mView.setImageResource(R.drawable.ic_sysbar_nosound);
+ Intent intent = new Intent();
+ intent.setAction("com.android.close.sound");//向应用发送广播。
+ mContext.sendBroadcast(intent);
+ sound_flag = 0;
+ }
+ }
+ };
图片资源目录：
# frameworks/base/packages/SystemUI/res/drawable-hdpi/
# frameworks/base/packages/SystemUI/res/drawable-mdpi/
# frameworks/base/packages/SystemUI/res/drawable-xhdpi/
# frameworks/base/packages/SystemUI/res/drawable-xxhdpi
居中问题patch文件：https://download.csdn.net/download/kai_zone/10576998