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我寫了一個示例代碼,以便於理解運行時權限。它工作正常。但是我面臨的問題是,如果用戶在任何階段單擊「從不詢問權限」,則應用程序在卸載後重新安裝/全新安裝後將不再詢問權限。這是它的工作方式,還是有一些我錯過了。我也提到Android M - check runtime permission - how to determine if the user checked "Never ask again"?這很好地解釋了事情,但仍然想澄清我對它的困惑。運行時權限和永不問問權限處理
這裏是代碼:
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView te1;
te1 = (TextView) findViewById(R.id.te1);
te1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, Manifest.permission.ACCESS_FINE_LOCATION)) {
android.app.AlertDialog.Builder builder = new android.app.AlertDialog.Builder(MainActivity.this);
builder.setTitle("Title");
builder.setMessage("Fill Form")
.setCancelable(false) //false will disable clicking anywhere in screen during alter.
.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);
}
})
.setNegativeButton("Do it Later", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
android.app.AlertDialog alert = builder.create();
alert.show();
}else {
Toast.makeText(MainActivity.this, "You Selected Never Asked this Permission again", Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(MainActivity.this, "Intent Fired", Toast.LENGTH_SHORT).show();
}
}
});
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case (1):
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "App Need to access GPS to get your location which you can share", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(this, "You did not get permission.Do Nothing", Toast.LENGTH_SHORT).show();
}
}
}
}
有兩件事情,當用戶點擊不問應用祝酒Toast.makeText(MainActivity.this, 「您的選擇永遠不會再被問及這權限」,Toast.LENGTH_SHORT).show(); Perefetly正確。問題是,當我卸載並重新安裝應用程序,我的應用程序仍然敬酒相同的消息,並不要求許可 – Panache
更改應用程序的位置和你的代碼打開設置解決了問題。謝謝 – Panache
不錯,很高興它解決了 – Charlie