摘要:本文将带你了解Android应用开发Android动态申请权限的方法和代码实现教程,希望本文对大家学Android有所帮助。
本文将带你了解Android应用开发Android动态申请权限的方法和代码实现教程,希望本文对大家学Android有所帮助。
1.在manifest里面,添加以下内容
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
2.添加下面这个类,我写的,命名为:PermissionManager.java
import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
/**
* Created by long
*/
public class PermissionManager {
public final static int MY_PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE = 1;
public final static int MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE = 2;
public final static int MY_PERMISSIONS_REQUEST_CAMERA = 3;
public final static int MY_PERMISSIONS_RECORD_AUDIO = 4;
//log TAG
private String MYTAG = "XHLIVE";//MainActivity.xhlogtag;
//data
private static Context mContext;
private boolean mWritePermission = false; //写权限
private boolean mReadPermission = false; //读权限
private boolean mCameraPermission = false; //摄像头权限
private boolean mRecordAudioPermission = false; //麦克风权限
String[] permissions = new String[]{
Manifest.permission.WRITE_EXTERNAL_STORAGE,
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.CAMERA,
Manifest.permission.RECORD_AUDIO
};
List<string> mPermissionList = new ArrayList<>();
//检查所有权限(摄像头相关)
public void checkAllPermission() {
mPermissionList.clear();
for (int i = 0; i < permissions.length; i++) {
if (ContextCompat.checkSelfPermission(mContext, permissions[i]) != PackageManager.PERMISSION_GRANTED) {
mPermissionList.add(permissions[i]);
}
}
}
//获取所有权限(摄像头相关)
public void getAllPermission() {
if (mPermissionList.isEmpty()) {
//未授予的权限为空,表示都授予了
} else {
//请求权限方法
String[] permissions = mPermissionList.toArray(new String[mPermissionList.size()]);//将List转为数组
ActivityCompat.requestPermissions((Activity) mContext, permissions, 1);
}
}
private static class SingletonHolder{
public static PermissionManager instance = new PermissionManager();
}
private PermissionManager(){}
public static PermissionManager getInstance(Context context){
mContext = context;
return SingletonHolder.instance;
}
//检查: 写 权限
public boolean checkWritePermission() {
int permission = ActivityCompat.checkSelfPermission(mContext,
Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) {
Log.e(MYTAG, "No, we do not have WRITE permission");
mWritePermission = false;
} else{
Log.e(MYTAG, "Yes, we have WRITE permission");
mWritePermission = true;
}
return mWritePermission;
}
//检查: 读 权限
public boolean checkReadPermission() {
int permission = ActivityCompat.checkSelfPermission(mContext,
Manifest.permission.READ_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) {
Log.e(MYTAG, "No, we do not have READ permission");
mReadPermission = false;
} else{
Log.e(MYTAG, "Yes, we have READ permission");
mReadPermission = true;
}
return mReadPermission;
}
//检查: 摄像头 权限
public boolean checkCameraPermission() {
 
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