相信大家對網上對網上的文章和框架 有些厭煩了,我今天搜了很多 ,就是沒能解決,還好遇到了劉老師的這篇博客(http://blog.csdn.net/qq_26787115/article/details/64127695)現在總結一下
APP入口activity寫入下列方法
//權限是否申請完全 標誌
//k 表示動態申請權限的個數,要做循環計數器用,所以先不賦初值,具體請往下看
private int k;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splash);
//申請權限的函數
checkPermissionForNormal();
}
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//定義
private void checkPermissionForNormal() {
//這只是個例子,由於我要使用百度地圖定位功能,要申請4個權限,大家可以根據自己的需求更改權限的名稱和個數
//我沒有根據編譯版本和系統版本判斷6.0以上,或者6.0以下
由於6.0以下不需要動態申請權限,系統會自動調用所有權限申請好的回調(這樣就包括了6.0以下的版本)
//權限申請
//判斷此權限系統是否同意
if (ContextCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
ContextCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
ContextCompat.checkSelfPermission(this,
Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED&&
ContextCompat.checkSelfPermission(this,
Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
//若不同意,申請權限
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION,
Manifest.permission.WRITE_EXTERNAL_STORAGE,
Manifest.permission.READ_PHONE_STATE}, 100);
}
//若系統低於6.0或者高於6.0已經同意所有權限,執行此回調
//若版本低於6.0或者版本高於6.0權限申請成功
//需要調用initview()方法
if (ContextCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED &&
ContextCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED &&
ContextCompat.checkSelfPermission(this,
Manifest.permission.WRITE_EXTERNAL_STORAGE)== PackageManager.PERMISSION_GRANTED&&
ContextCompat.checkSelfPermission(this,
Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED){
//權限申請成功執行操作
//do something
}
}
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回調
//權限的回調
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
switch (requestCode) {
case 100: {
if (grantResults.length > 0) {
for (int i = 0; i < grantResults.length; i++) {
if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {
k++;
Toast.makeText(this, "同意權限", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(this, "拒絕權限", Toast.LENGTH_SHORT).show();
}
}
} else {
Toast.makeText(this, "拒絕了權限,軟件可能無法正常使用", Toast.LENGTH_SHORT).show();
}
if(k==4){
//k計數器,若k==4,則說明所有權限申請成功,可以進行下一步操作
//權限申請成功執行操作
//do something
}
}
}