android 添加sensor 权限

1.frameworks/base/core/res/AndroidManifest.xml：

<permission android:name="android.permission.SENSOR_ENABLE"
android:permissionGroup="android.permission-group.HARDWARE_CONTROLS"
android:protectionLevel="dangerous"
android:label="@string/permlab_sensor_enable"
android:description="@string/permdesc_installLocationProvider" />


<permission android:name="android.permission.SENSOR_INFO"
android:permissionGroup="android.permission-group.HARDWARE_CONTROLS"
android:protectionLevel="normal"
android:label="@string/permlab_sensor_info"

android:description="@string/permdesc_installLocationProvider" />

2.frameworks/base/core/res/res/values/strings.xml

<string name="permlab_sensor_enable">sensor enable</string>


<string name="permlab_sensor_info">sensor info</string>

3.frameworks/base/core/java/android/app/ContextImpl.java

registerService(SENSOR_SERVICE, new ServiceFetcher() {
389 public Object createService(ContextImpl ctx) {
390 return new SensorManager(ctx,ctx.mMainThread.getHandler().getLooper());//xiayu fix
391 }});

4.frameworks/base/core/java/android/hardware/SensorManager.javapublic SensorManager(Context context,Looper mainLooper) {
int xiayu=0;
mMainLooper = mainLooper;
Log.e(TAG,"checking android.permission.SENSOR_ENABLE");
if(context.checkCallingOrSelfPermission("android.permission.SENSOR_ENABLE")==PackageManager.PERMISSION_GRANTED){
Log.e(TAG,"permission SENSOR_ENABLE");
xiayu=1;
}
Log.e(TAG,"checking android.permission.SENSOR_INFO");

if ( (xiayu==1) &&
(context.checkCallingOrSelfPermission("android.permission.SENSOR_INFO")
!= PackageManager.PERMISSION_GRANTED)) {
Log.e(TAG,"xiayu no android.permission.SENSOR_INFO");
throw new SecurityException(" requires SENSOR_INFO permission");
}

测试源码：

package com.example.sensor_info; import java.util.List;   import com.example.sensor_info.R; import android.content.Context;    import android.hardware.Sensor;    import android.hardware.SensorManager;    import android.widget.TextView;   import android.util.Log;import android.os.Bundle;import android.app.Activity;import android.view.Menu;public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {try{super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);}catch(Exception e){ Log.e("ERROR", "ERROR IN CODE: " + e.toString());   e.printStackTrace(); }final TextView tx1 = (TextView) findViewById(R.id.TextView01);//tx1.setText("xiayu xxxxxxxxxxxxxxxxxx");        try{SensorManager sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);   List<Sensor> allSensors = sm.getSensorList(Sensor.TYPE_ALL);//显示有多少个传感器   tx1.setText("经检测该手机有" + allSensors.size() + "个传感器，他们分别是：\n");  for (Sensor s : allSensors) {                String tempString = "\n" + "  设备名称：" + s.getName() + "\n" + "  设备版本：" + s.getVersion() + "\n" + "  供应商："                               + s.getVendor() + "\n";          switch (s.getType()) {                 case Sensor.TYPE_ACCELEROMETER:                                    tx1.setText(tx1.getText().toString() + s.getType() + " 加速度传感器accelerometer" + tempString);                                    break;                 case Sensor.TYPE_GYROSCOPE:                                    tx1.setText(tx1.getText().toString() + s.getType() + " 陀螺仪传感器gyroscope" + tempString);                                    break;                 case Sensor.TYPE_LIGHT:                                    tx1.setText(tx1.getText().toString() + s.getType() + " 环境光线传感器light" + tempString);                                    break;                 case Sensor.TYPE_MAGNETIC_FIELD:                                    tx1.setText(tx1.getText().toString() + s.getType() + " 电磁场传感器magnetic field" + tempString);                                    break;                               case Sensor.TYPE_PRESSURE:                                    tx1.setText(tx1.getText().toString() + s.getType() + " 压力传感器pressure" + tempString);                                    break;                 case Sensor.TYPE_PROXIMITY:                                    tx1.setText(tx1.getText().toString() + s.getType() + " 距离传感器proximity" + tempString);                                    break;                                             default:                                    tx1.setText(tx1.getText().toString() + s.getType() + " 未知传感器" + tempString);                                    break;                            }                    }           }catch(Exception e){        tx1.setText("ERROR:"+e.toString()); }         }    @Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.activity_main, menu);return true;}}

Androidmanifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.sensor_info"    android:versionCode="1"    android:versionName="1.0" >               <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="17" />      <uses-permission android:name="android.permission.SENSOR_INFO" />          <uses-permission android:name="android.permission.SENSOR_ENABLE" />        <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.example.sensor_info.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application>     </manifest>

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