Android 6.0以后一些權限只在清單文件中申請是不能使用的，所以要動態申請，如：相機權限、內存卡讀寫權限、通話狀態權限等，但是當使用到才申請用戶體驗太差，所以就在進入到首頁或啟動頁時統一申請使用的所用權限。

一、首先要在清單文件中注冊權限(動態申請的權限也需要先在清單文件中注冊)

二、在首頁Activity中申請

final int REQUEST_PERMISSION_LOCATION = 10;

private void initPermission() {

if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CAMERA)

!= PackageManager.PERMISSION_GRANTED ||(ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_CALENDAR)

!= PackageManager.PERMISSION_GRANTED ||(ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_CALENDAR)

!= PackageManager.PERMISSION_GRANTED ||(ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.ACCESS_FINE_LOCATION)

!= PackageManager.PERMISSION_GRANTED || ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE)

!= PackageManager.PERMISSION_GRANTED || ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_PHONE_STATE)

!= PackageManager.PERMISSION_GRANTED)))){

// 沒有權限

ActivityCompat.requestPermissions(MainActivity.this, new String[]{

Manifest.permission.READ_CALENDAR,

Manifest.permission.WRITE_CALENDAR,

Manifest.permission.CAMERA,

Manifest.permission.ACCESS_FINE_LOCATION,

Manifest.permission.READ_EXTERNAL_STORAGE,

Manifest.permission.READ_PHONE_STATE},

REQUEST_PERMISSION_LOCATION);

} else {

// startService(new Intent(this, LocationService.class));

// startIntent();

}

}

三、返回碼，如果在啟動頁申請權限，可以在這里做跳轉操作

@Override

public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,

@NonNull int[] grantResults) {

switch (requestCode) {

case REQUEST_PERMISSION_LOCATION:

// startService(new Intent(this, LocationService.class));

// startIntent();

break;

default:

// startIntent();

break;

}

super.onRequestPermissionsResult(requestCode, permissions, grantResults);

}

總結

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