Android Open Source - SystemAppMover Mover Activity

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Back to project page SystemAppMover.

License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2012 Thomas Hoffmann//from   w w  w  .ja  va2 s.c  o m
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.j4velin.systemappmover;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;

import com.stericson.RootTools.RootTools;

/**
 * The main activity.
 * <p/>
 * All the logic starts in the AppPicker, which is started from the checkForRoot
 * method if root is available
 */
public class MoverActivity extends Activity {

    final static String SYSTEM_APP_FOLDER =
            android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT ?
                    "/system/priv-app/" : "/system/app/";

    public static boolean SHOW_SYSTEM_APPS = false;

    /**
     * Shows an error dialog with the specified text
     *
     * @param text the error text
     */
    void showErrorDialog(final String text) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("Error").setMessage(text)
                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                    public void onClick(final DialogInterface dialog, int id) {
                        try {
                            dialog.dismiss();
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                });
        builder.create().show();
    }

    /**
     * Shows another warning when enabling the 'show system apps' option
     */
    void showSystemAppWarningDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("Warning").setMessage(
                "Moving system apps is NOT recommended and will most definitely damage something on your system when doing so. Did you make a backup?")
                .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                    public void onClick(final DialogInterface dialog, int id) {
                        try {
                            dialog.dismiss();
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                }).setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {
            public void onClick(final DialogInterface dialog, int id) {
                try {
                    dialog.dismiss();
                    showErrorDialog("You should!");
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
        builder.create().show();
    }

    /**
     * Shows the initial warning dialog
     */
    void showWarningDialog() {
        final Dialog d = new Dialog(this);
        d.setTitle("Warning");
        d.setCancelable(false);
        d.setContentView(R.layout.warningdialog);

        final CheckBox c = (CheckBox) d.findViewById(R.id.c);
        final Button b = (Button) d.findViewById(R.id.b);

        c.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                b.setText(checked ? android.R.string.ok : android.R.string.cancel);
            }
        });

        b.setText(android.R.string.cancel);
        b.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (c.isChecked()) {
                    getSharedPreferences("settings", MODE_PRIVATE).edit()
                            .putBoolean("warningRead", true).commit();
                    d.dismiss();
                } else {
                    d.dismiss();
                    finish();
                }
            }
        });

        d.show();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        RootTools.debugMode = false;
        checkForRoot();
    }

    /**
     * Uses the RootTools library to check for root and busybox
     */
    private void checkForRoot() {
        final ProgressDialog progress =
                ProgressDialog.show(this, "", "Waiting for root access", true);
        progress.show();
        final TextView error = (TextView) findViewById(R.id.error);
        final Handler h = new Handler();
        new Thread(new Runnable() {
            @Override
            public void run() {
                if (!RootTools.isRootAvailable()) {
                    if (progress == null || !progress.isShowing()) return;
                    progress.cancel();
                    h.post(new Runnable() {
                        @Override
                        public void run() {
                            error.setText(
                                    "Your device seems not to be rooted!\nThis app requires root access and does not work without.\n\nClick [here] to uninstall.");
                            // ask user to delete app on non-rooted devices
                            error.setOnClickListener(new View.OnClickListener() {
                                @Override
                                public void onClick(View v) {
                                    startActivity(new Intent(Intent.ACTION_DELETE,
                                            Uri.parse("package:de.j4velin.systemappmover")));
                                }
                            });
                        }
                    });
                    return;
                }
                final boolean root = RootTools.isAccessGiven();
                if (progress == null || !progress.isShowing()) return;
                progress.cancel();
                h.post(new Runnable() {
                    @Override
                    public void run() {
                        if (root) {
                            ((CheckBox) findViewById(R.id.root)).setChecked(true);
                        } else {
                            error.setText("No root access granted - click here to recheck");
                            error.setOnClickListener(new View.OnClickListener() {
                                @Override
                                public void onClick(View v) {
                                    checkForRoot();
                                }
                            });
                            return;
                        }

                        if (RootTools.isBusyboxAvailable()) {
                            CheckBox busyBox = (CheckBox) findViewById(R.id.busybox);
                            busyBox.setChecked(true);
                            busyBox.setText("BusyBox " + RootTools.getBusyBoxVersion());
                        } else {
                            error.setText("No busybox found!\nClick here to download");
                            error.setOnClickListener(new View.OnClickListener() {
                                @Override
                                public void onClick(View v) {
                                    RootTools.offerBusyBox(MoverActivity.this);
                                    finish();
                                }
                            });

                            return;
                        }
                        if (root) {
                            new AppPicker(MoverActivity.this).execute();
                            if (!getSharedPreferences("settings", MODE_PRIVATE)
                                    .getBoolean("warningRead", false)) {
                                showWarningDialog();
                            }
                            error.setText(
                                    "Use at your own risk! I won't take responsibility for damages on your device! Make a backup first!");
                            final CheckBox showSystem = (CheckBox) findViewById(R.id.showsystem);
                            showSystem.setOnCheckedChangeListener(
                                    new CompoundButton.OnCheckedChangeListener() {
                                        @Override
                                        public void onCheckedChanged(final CompoundButton buttonView, boolean isChecked) {
                                            if (Build.VERSION.SDK_INT >=
                                                    Build.VERSION_CODES.LOLLIPOP) {
                                                if (isChecked) {
                                                    showErrorDialog(
                                                            "Moving system apps does currently not work on Android 5.+");
                                                    showSystem.setChecked(false);
                                                }
                                            } else {
                                                SHOW_SYSTEM_APPS = isChecked;
                                                new AppPicker(MoverActivity.this).execute();
                                                if (isChecked) showSystemAppWarningDialog();
                                            }
                                        }
                                    });
                        }

                    }
                });
            }
        }).start();
    }

}

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