package com.diygreen.android6new.newapi;
import android.Manifest;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Switch;
import android.widget.Toast;
import com.diygreen.android6new.R;
public class DynamicPermissionActivity extends AppCompatActivity implements LocationListener {
static private final String TAG = "DynamicPermission";
private static final String PACKAGE_URL_SCHEME = "package:"; // 方案
private static final int REQUEST_CODE_ASK_EXTERNAL_STORAGE_PERMISSON = 111;
static private final int REQUEST_CODE_ASK_AUDIO_PERMISSION = 0; // 请求码
static final String[] EXTERNAL_STORAGE_PERMISSIONS = new String[]{ // 所需的全部权限
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE
};
static final String[] AUDIO_PERMISSIONS = new String[]{ // 所需的全部权限
Manifest.permission.RECORD_AUDIO,
Manifest.permission.MODIFY_AUDIO_SETTINGS
};
private PermissionsChecker mPermissionsChecker; // 权限检测器
private Switch mCheckSwitch;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_dynamicpermission);
initView();
initData();
}
private void initView() {
this.mCheckSwitch = (Switch) findViewById(R.id.switch_checkpermission);
}
private void initData() {
mPermissionsChecker = new PermissionsChecker(this);
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_getlocation:
getLocation();
break;
case R.id.btn_testsdcardpermission:
testSDCardPermission();
break;
case R.id.btn_testaudiopermission:
testAudioPermission();
break;
}
}
public void getLocation() {
LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
if (ActivityCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
&&
ActivityCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this);
}
private void testSDCardPermission() {
if (mCheckSwitch.isChecked()) {
// 1. 判断是否有权限
if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
// 在弹出权限选择的对话框前给用户show一个dialog，用于引导用户进行选择
if (!ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
// 解释为什么要申请权限
showMessage("测试一下对SD卡进行读写操作",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
startAppSettings();
}
});
return;
}
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
REQUEST_CODE_ASK_EXTERNAL_STORAGE_PERMISSON);
} else {
Toast.makeText(DynamicPermissionActivity.this, "有权限了开始读写SD卡吧！", Toast.LENGTH_LONG).show();
}
} else {
// 1. 判断是否有权限
if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED
&&
ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
// 2. 弹出对话框申请权限给用户选择
// 第二个参数code与onRequestPermissionResult()方法中的code对应
ActivityCompat.requestPermissions(this, EXTERNAL_STORAGE_PERMISSIONS, REQUEST_CODE_ASK_EXTERNAL_STORAGE_PERMISSON);
} else {
Toast.makeText(DynamicPermissionActivity.this, "有权限了开始读写SD卡吧！", Toast.LENGTH_LONG).show();
}
}
}
private void testAudioPermission() {
// 缺少权限时, 进入权限配置页面
if (mPermissionsChecker.lacksPermissions(AUDIO_PERMISSIONS)) {
startPermissionsActivity();
}
}
private void showMessage(String message,
DialogInterface.OnClickListener okListener) {
new AlertDialog.Builder(this)
.setMessage(message)
.setNegativeButton("取消", null)
.setPositiveButton("设置", okListener).create().show();
}
// 启动应用的设置
private void startAppSettings() {
Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
intent.setData(Uri.parse(PACKAGE_URL_SCHEME + getPackageName()));
startActivity(intent);
}
private void startPermissionsActivity() {
PermissionsActivity.startActivityForResult(this, REQUEST_CODE_ASK_AUDIO_PERMISSION, AUDIO_PERMISSIONS);
}
//==========申请权限结果回调==========
// 判断用户是否确认了权限
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_ASK_EXTERNAL_STORAGE_PERMISSON:
// Permission Granted
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(DynamicPermissionActivity.this, "用户确认授权操作SD卡权限", Toast.LENGTH_SHORT).show();
} else { // Permission Denied
Toast.makeText(DynamicPermissionActivity.this, "用户拒绝授权操作SD卡权限", Toast.LENGTH_SHORT).show();
}
break;
default:
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
break;
}
}
//==========获取位置信息回调==========
@Override
public void onLocationChanged(Location location) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
//==========其他生命周期方法==========
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// 拒绝时, 关闭页面, 缺少主要权限, 无法运行
if (requestCode == REQUEST_CODE_ASK_AUDIO_PERMISSION && resultCode == PermissionsActivity.PERMISSIONS_DENIED) {
Log.e(TAG, "缺少主要权限, 无法运行");
}
}
}