StorageErrorActivity.java

package de.danoeh.antennapodsp.activity;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import de.danoeh.antennapodsp.AppConfig;
import de.danoeh.antennapodsp.R;
import de.danoeh.antennapodsp.preferences.UserPreferences;
import de.danoeh.antennapodsp.util.StorageUtils;


/**
 * Is show if there is now external storage available.
 */
public class StorageErrorActivity extends ActionBarActivity {
    private static final String TAG = "StorageErrorActivity";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        setTheme(UserPreferences.getTheme());
        super.onCreate(savedInstanceState);
        setContentView(R.layout.storage_error);
    }

    @Override
    protected void onPause() {
        super.onPause();
        try {
            unregisterReceiver(mediaUpdate);
        } catch (IllegalArgumentException e) {

        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (StorageUtils.storageAvailable(this)) {
            leaveErrorState();
        } else {
            registerReceiver(mediaUpdate, new IntentFilter(
                    Intent.ACTION_MEDIA_MOUNTED));
        }
    }

    private void leaveErrorState() {
        finish();
        startActivity(new Intent(this, MainActivity.class));
    }

    private BroadcastReceiver mediaUpdate = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            if (intent.getAction().equals(Intent.ACTION_MEDIA_MOUNTED)) {
                if (intent.getBooleanExtra("read-only", true)) {
                    if (AppConfig.DEBUG)
                        Log.d(TAG, "Media was mounted; Finishing activity");
                    leaveErrorState();
                } else {
                    if (AppConfig.DEBUG)
                        Log.d(TAG,
                                "Media seemed to have been mounted read only");
                }
            }
        }

    };

}