com.vuze.android.remote.AppCompatActivityM.java Source code

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Here is the source code for com.vuze.android.remote.AppCompatActivityM.java

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/*
 * Copyright (c) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package com.vuze.android.remote;

import java.util.Arrays;

import android.content.pm.PackageManager;
import android.content.pm.PermissionInfo;
import android.support.v4.app.ActivityCompat;
import android.support.v4.util.LongSparseArray;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;

/**
 * Created by TuxPaper on 3/18/16.
 *
 * Duplicate code in {@link FragmentM}
 */
public class AppCompatActivityM extends AppCompatActivity {
    private int requestPermissionID = 0;

    LongSparseArray<Runnable[]> requestPermissionRunnables = new LongSparseArray<>();

    public void requestPermissions(String[] permissions, Runnable runnableOnGrant, Runnable runnableOnDeny) {

        // requestPermissions supposedly does checkSelfPermission for us, but
        // I get prompted anyway, and clicking Revoke (on an already granted perm):
        // I/ActivityManager: Killing xxxx:com.vuze.android.remote/u0a24 (adj 1): permissions revoked
        // Also, requestPermissions assumes PERMISSION_REVOKED on unknown
        // permission strings (ex READ_EXTERNAL_STORAGE on API 7)
        boolean allGranted = true;
        if (permissions.length > 0) {
            PackageManager packageManager = getPackageManager();
            for (int i = 0; i < permissions.length; i++) {
                try {
                    packageManager.getPermissionInfo(permissions[i], 0);
                } catch (PackageManager.NameNotFoundException e) {
                    Log.d("Perms", "requestPermissions: Permission " + permissions[i]
                            + " doesn't exist.  Assuming granted.");
                    continue;
                }
                if (ActivityCompat.checkSelfPermission(this, permissions[i]) != PackageManager.PERMISSION_GRANTED) {
                    allGranted = false;
                    break;
                }
            }
        }

        if (allGranted) {
            if (AndroidUtils.DEBUG) {
                Log.d("Perms", "requestPermissions: allGranted, running " + runnableOnGrant);
            }
            if (runnableOnGrant != null) {
                runnableOnGrant.run();
            }
            return;
        }

        if (AndroidUtils.DEBUG) {
            Log.d("Perms",
                    "requestPermissions: requesting " + Arrays.toString(permissions) + " for " + runnableOnGrant);
        }
        requestPermissionRunnables.put(requestPermissionID, new Runnable[] { runnableOnGrant, runnableOnDeny });
        ActivityCompat.requestPermissions(this, permissions, requestPermissionID);
        requestPermissionID++;
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);

        Runnable[] runnables = requestPermissionRunnables.get(requestCode);
        if (runnables != null) {
            requestPermissionRunnables.remove(requestCode);

            boolean allGranted = grantResults.length > 0;
            if (allGranted) {
                for (int i = 0; i < grantResults.length; i++) {

                    if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
                        allGranted = false;
                        break;
                    }
                }
            }

            if (AndroidUtils.DEBUG) {
                Log.d("Perms", "onRequestPermissionsResult: " + Arrays.toString(permissions) + " "
                        + (allGranted ? "granted" : "revoked") + " for " + runnables[0]);
            }

            if (allGranted && runnables[0] != null) {
                runnables[0].run();
                return;
            }

            if (!allGranted && runnables[1] != null) {
                runnables[1].run();
                return;
            }
        }
    }
}