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Sync mnc-dev sample prebuilts

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Syncing to //developers/samples/android commmit 2be5f5ca32.

Change-Id: Ia08c63655bd122c7fbb0cc3a50eec95d8edcb3f1
This commit is contained in:
Trevor Johns
2015-08-17 09:37:47 -07:00
parent a56a634166
commit c8e94bf583
28 changed files with 734 additions and 323 deletions
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113
samples/browseable/RuntimePermissionsBasic/src/com.example.android.basicpermissions/MainActivity.java
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@@ -20,13 +20,15 @@ import com.example.android.basicpermissions.camera.CameraPreviewActivity;
import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
/**
* Launcher Activity that demonstrates the use of runtime permissions for Android M.
@@ -36,22 +38,32 @@ import android.widget.Toast;
* the permission has been granted.
* <p>
* First, the status of the Camera permission is checked using {@link
* Activity#checkSelfPermission(String)}.
* ActivityCompat#checkSelfPermission(Context, String)}
* If it has not been granted ({@link PackageManager#PERMISSION_GRANTED}), it is requested by
* calling
* {@link Activity#requestPermissions(String[], int)}. The result of the request is returned in
* {@link Activity#onRequestPermissionsResult(int, String[], int[])}, which starts {@link
* CameraPreviewActivity}
* if the permission has been granted.
* {@link ActivityCompat#requestPermissions(Activity, String[], int)}. The result of the request is
* returned to the
* {@link android.support.v4.app.ActivityCompat.OnRequestPermissionsResultCallback}, which starts
* {@link
* CameraPreviewActivity} if the permission has been granted.
* <p>
* Note that there is no need to check the API level, the support library
* already takes care of this. Similar helper methods for permissions are also available in
* ({@link ActivityCompat},
* {@link android.support.v4.content.ContextCompat} and {@link android.support.v4.app.Fragment}).
*/
public class MainActivity extends Activity {
public class MainActivity extends AppCompatActivity
implements ActivityCompat.OnRequestPermissionsResultCallback {
private static final int PERMISSION_REQUEST_CAMERA = 0;
private View mLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mLayout = findViewById(R.id.main_layout);
// Register a listener for the 'Show Camera Preview' button.
Button b = (Button) findViewById(R.id.button_open_camera);
@@ -69,15 +81,16 @@ public class MainActivity extends Activity {
// BEGIN_INCLUDE(onRequestPermissionsResult)
if (requestCode == PERMISSION_REQUEST_CAMERA) {
// Request for camera permission.
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// Permission has been granted. Start camera preview Activity.
Toast.makeText(this, "Camera permission was granted. Starting preview.",
Toast.LENGTH_SHORT)
Snackbar.make(mLayout, "Camera permission was granted. Starting preview.",
Snackbar.LENGTH_SHORT)
.show();
startCamera();
} else {
// Permission request was denied.
Toast.makeText(this, "Camera permission request was denied.", Toast.LENGTH_SHORT)
Snackbar.make(mLayout, "Camera permission request was denied.",
Snackbar.LENGTH_SHORT)
.show();
}
}
@@ -86,51 +99,57 @@ public class MainActivity extends Activity {
private void showCameraPreview() {
// BEGIN_INCLUDE(startCamera)
if (!isMNC()) {
// Below Android M there is no need to check for runtime permissions
Toast.makeText(this,
"Requested permissions are granted at install time below M and are always "
+ "available at runtime.",
Toast.LENGTH_SHORT).show();
startCamera();
return;
}
// Check if the Camera permission has been granted
if (checkSelfPermission(Manifest.permission.CAMERA)
!= PackageManager.PERMISSION_GRANTED) {
// Permission has not been granted and must be requested.
if (shouldShowRequestPermissionRationale(
Manifest.permission.CAMERA)) {
// Provide an additional rationale to the user if the permission was not granted
// and the user would benefit from additional context for the use of the permission.
Toast.makeText(this, "Camera access is required to display a camera preview.",
Toast.LENGTH_SHORT).show();
}
Toast.makeText(this,
"Permission is not available. Requesting camera permission.",
Toast.LENGTH_SHORT).show();
// Request the permission. The result will be received in onRequestPermissionResult()
requestPermissions(new String[]{Manifest.permission.CAMERA},
PERMISSION_REQUEST_CAMERA);
} else {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
== PackageManager.PERMISSION_GRANTED) {
// Permission is already available, start camera preview
startCamera();
Toast.makeText(this,
Snackbar.make(mLayout,
"Camera permission is available. Starting preview.",
Toast.LENGTH_SHORT).show();
Snackbar.LENGTH_SHORT).show();
startCamera();
} else {
// Permission is missing and must be requested.
requestCameraPermission();
}
// END_INCLUDE(startCamera)
}
/**
* Requests the {@link android.Manifest.permission#CAMERA} permission.
* If an additional rationale should be displayed, the user has to launch the request from
* a SnackBar that includes additional information.
*/
private void requestCameraPermission() {
// Permission has not been granted and must be requested.
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
Manifest.permission.CAMERA)) {
// Provide an additional rationale to the user if the permission was not granted
// and the user would benefit from additional context for the use of the permission.
// Display a SnackBar with a button to request the missing permission.
Snackbar.make(mLayout, "Camera access is required to display the camera preview.",
Snackbar.LENGTH_INDEFINITE).setAction("OK", new View.OnClickListener() {
@Override
public void onClick(View view) {
// Request the permission
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{Manifest.permission.CAMERA},
PERMISSION_REQUEST_CAMERA);
}
}).show();
} else {
Snackbar.make(mLayout,
"Permission is not available. Requesting camera permission.",
Snackbar.LENGTH_SHORT).show();
// Request the permission. The result will be received in onRequestPermissionResult().
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA},
PERMISSION_REQUEST_CAMERA);
}
}
private void startCamera() {
Intent intent = new Intent(this, CameraPreviewActivity.class);
startActivity(intent);
}
public static boolean isMNC() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M;
}
}