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 separately
                 if (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.

以上方法，等效于执行了adb命令

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
有需要可以加VX