【RK android6.0 实现假关机真开机效果】

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RK android6.0 实现假关机真开机效果

需求描述
解决方法

郑重声明:本人原创博文，都是实战，均经过实际项目验证出货的
转载请标明出处:攻城狮2015

Platform: Rockchip
CPU:rk3368
OS:Android 7.1.2
Kernel: 3.10

需求描述

由于硬件设计，使用错误的pmu，导致每次关机，机器会自动开机，现在需要实现假关机，假关机后再按一次power键，自动重启机器，等效于关机再开机

解决方法

实现假关机，再开机就是重启机器。关机的时候，关闭HDMI，再开机的时候执行reboot命令

+++ b/frameworks/base/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -130,6 +130,12 @@ import com.android.server.LocalServices;import com.android.server.policy.keyguard.KeyguardServiceDelegate;import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;+import java.io.BufferedReader;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import java.io.File;import java.io.FileReader;import java.io.IOException;
@@ -168,6 +174,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {static final boolean SHOW_STARTING_ANIMATIONS = true;static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;+       public static int xfwu_power_rebootHdmi=0;
+// Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.// No longer recommended for desk docks; still useful in car docks.static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
@@ -5262,15 +5270,29 @@ public class PhoneWindowManager implements WindowManagerPolicy {break;}-            case KeyEvent.KEYCODE_POWER: {
+            case KeyEvent.KEYCODE_POWER: {                     result &= ~ACTION_PASS_TO_USER;isWakeKey = false; // wake-up will be handled separatelyif (down) {
-                    interceptPowerKeyDown(event, interactive);
+                    //interceptPowerKeyDown(event, interactive);
+                                       
+                                       if(xfwu_power_rebootHdmi==0){
+                                               xfwu_power_rebootHdmi=1;
+                                               StringCmd("echo 0 > /sys/class/display/HDMI/enable");
+                                               Log.d(TAG,"shutdown hdmi and shutdown irled");
+                                               //StringCmd("echo 0 > /sys/class/leds/red/brightness");
+                                               interceptPowerKeyDown(event, interactive);
+                                       }else{
+                                               xfwu_power_rebootHdmi=0;
+                                               //StringCmd("echo 255 > /sys/class/leds/red/brightness");
+                                               StringCmd("reboot");
+                                       }
+                                       } else {interceptPowerKeyUp(event, interactive, canceled);}
-                break;
+                break;                         
+                               }case KeyEvent.KEYCODE_SLEEP: {
@@ -5368,6 +5390,46 @@ public class PhoneWindowManager implements WindowManagerPolicy {return result;}+       public void StringCmd(final String path){
+               new Thread(new Runnable(){
+                       @Override
+                       public void run(){
+                               DataOutputStream out = null;
+                               BufferedReader errorStream = null;
+                               try{
+                                       java.lang.Process process = Runtime.getRuntime().exec("su");
+                                       out = new DataOutputStream(process.getOutputStream());
+                                       String command = path + "\n";
+                                       out.write(command.getBytes(Charset.forName("UTF-8")));
+                                       out.flush();
+                                       out.writeBytes("exit\n");
+                                       out.flush();
+                                       process.waitFor();
+                                       errorStream = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+                                       String msg = "";
+                                       String line;
+                                       while((line = errorStream.readLine())!=null){
+                                               msg+=line;
+                                       }
+                                       //slog.e("XFWU","StringCmd:"+msg);
+                               }catch(Exception e){
+                                       //slog.e("XFWU",e.getMessage(),e);
+                               }finally{
+                                       try{
+                                               if(out!=null){
+                                                       out.close();
+                                               }
+                                               if(errorStream!=null){
+                                                       errorStream.close();
+                                               }
+                                       }catch(IOException e){
+                                               //slog.e("XFWU",e.getMessage(),e);
+                                       }
+                               }
+                       }
+               }).start();
+       }
+/*** Returns true if the key can have global actions attached to it.