Convert SDScanner MainActivity to fragment
This commit is contained in:
Xiao Bao Clark
parent
534f09e645
commit
f9f8962064
86
res/layout/sdscanner_fragment.xml
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86
res/layout/sdscanner_fragment.xml
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@ -0,0 +1,86 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright (C) 2013-2014 Jeremy Erickson
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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-->
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:paddingRight="16dp"
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android:paddingLeft="16dp"
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android:paddingBottom="16dp"
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android:orientation="vertical" >
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<TextView
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android:layout_width="match_parent"
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android:layout_height="48dp"
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android:gravity="center_vertical"
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android:text="@string/path_label" />
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="48dp"
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android:orientation="horizontal" >
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<EditText
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android:id="@+id/path_widget"
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android:layout_weight="1"
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android:layout_width="0dp"
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android:layout_height="match_parent" />
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<ImageButton
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android:id="@+id/path_button"
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android:layout_width="48dp"
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android:layout_height="wrap_content"
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android:src="@android:drawable/ic_menu_revert"
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style="?android:attr/borderlessButtonStyle" />
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</LinearLayout>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:paddingTop="4dp"
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android:paddingBottom="4dp"
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android:gravity="center_vertical"
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android:text="@string/db_label" />
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<CheckBox
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android:id="@+id/restrict_checkbox"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/restrict_label" />
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<Button
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android:id="@+id/start_button"
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android:layout_width="match_parent"
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android:layout_height="64dp"
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android:layout_gravity="center"
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android:text="@string/button_start">
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<requestFocus />
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</Button>
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<ProgressBar
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style="?android:attr/progressBarStyleHorizontal"
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android:max="100"
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android:id="@+id/progress_bar"
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android:layout_width="match_parent"
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android:layout_height="48dp"
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android:gravity="center_vertical"
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android:progress="0" />
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<TextView
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android:id="@+id/progress_label"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_weight="10000"
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android:text="@string/progress_unstarted_label" />
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<TextView
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android:id="@+id/debug_label"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:gravity="center_vertical"
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android:text="" />
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</LinearLayout>
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@ -312,4 +312,5 @@ THE SOFTWARE.
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<string name="progress_unstarted_label">Not yet started.</string>
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<string name="restrict_label">Ignore updated and deleted files outside of the specified path.</string>
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<string name="skipping_folder_label">Encountered an error and skipping</string>
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<string name="sdscanner">SD Scanner</string>
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</resources>
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@ -45,6 +45,9 @@ THE SOFTWARE.
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<header
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android:fragment="ch.blinkenlights.android.vanilla.PreferencesTheme"
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android:title="@string/theme" />
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<header
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android:fragment="ch.blinkenlights.android.vanilla.SDScannerFragment"
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android:title="@string/sdscanner" />
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<header
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android:fragment="ch.blinkenlights.android.vanilla.PreferencesActivity$AboutFragment"
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android:title="@string/about" />
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196
src/ch/blinkenlights/android/vanilla/SDScannerFragment.java
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196
src/ch/blinkenlights/android/vanilla/SDScannerFragment.java
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/* SD Scanner - A manual implementation of the SD rescan process, compatible
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* with Android 4.4
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*
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* Copyright (C) 2013-2014 Jeremy Erickson
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* Copyright (C) 2016 Xiao Bao Clark
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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package ch.blinkenlights.android.vanilla;
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import android.app.Fragment;
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import android.app.FragmentManager;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.os.Environment;
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import android.text.method.ScrollingMovementMethod;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.CheckBox;
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import android.widget.EditText;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import com.gmail.jerickson314.sdscanner.ScanFragment;
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import com.gmail.jerickson314.sdscanner.UIStringGenerator;
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import java.io.File;
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import java.io.IOException;
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/**
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* Fragment version of the MainActivity from the SD Scanner app
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*/
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public class SDScannerFragment extends Fragment
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implements ScanFragment.ScanProgressCallbacks
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{
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ScanFragment mScanFragment;
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@Override
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public void updateProgressNum(int progressNum) {
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ProgressBar progressBar = (ProgressBar)findViewById(R.id.progress_bar);
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progressBar.setProgress(progressNum);
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}
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@Override
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public void updateProgressText(UIStringGenerator progressText) {
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TextView progressLabel = (TextView)findViewById(R.id.progress_label);
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progressLabel.setText(progressText.toString(getActivity()));
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}
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@Override
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public void updateDebugMessages(UIStringGenerator debugMessages) {
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TextView debugLabel = (TextView)findViewById(R.id.debug_label);
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debugLabel.setText(debugMessages.toString(getActivity()));
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}
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@Override
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public void updatePath(String path) {
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EditText pathText = (EditText) findViewById(R.id.path_widget);
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pathText.setText(path);
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}
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@Override
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public void updateStartButtonEnabled(boolean startButtonEnabled) {
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Button startButton = (Button)findViewById(R.id.start_button);
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startButton.setEnabled(startButtonEnabled);
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}
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public void updateRestrictCheckboxChecked(boolean checked) {
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CheckBox restrictCheckbox = (CheckBox) findViewById(R.id.restrict_checkbox);
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restrictCheckbox.setChecked(checked);
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}
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@Override
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public void signalFinished() {
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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return inflater.inflate(R.layout.sdscanner_fragment, container, false);
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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// Setup with values from fragment.
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updateProgressNum(mScanFragment.getProgressNum());
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updateProgressText(mScanFragment.getProgressText());
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updateDebugMessages(mScanFragment.getDebugMessages());
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updateStartButtonEnabled(mScanFragment.getStartButtonEnabled());
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// Update path from preferences
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SharedPreferences preferences = getActivity().getPreferences(Context.MODE_PRIVATE);
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try {
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updatePath(preferences.getString("path",
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Environment.getExternalStorageDirectory().getCanonicalPath()));
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updateRestrictCheckboxChecked(preferences.getBoolean(
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"restrict_db_scan", false));
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}
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catch (IOException Ex) {
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// Should never happen, but getCanonicalPath() declares the throw.
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updatePath("");
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updateRestrictCheckboxChecked(false);
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}
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// Make debug output scrollable.
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TextView debugLabel = (TextView)findViewById(R.id.debug_label);
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debugLabel.setMovementMethod(new ScrollingMovementMethod());
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view.findViewById(R.id.path_button).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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defaultButtonPressed(v);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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});
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view.findViewById(R.id.start_button).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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try {
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startButtonPressed(v);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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});
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}
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/** Called when the activity is first created. */
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@Override
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public void onCreate(Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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FragmentManager fm = getFragmentManager();
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mScanFragment = (ScanFragment) fm.findFragmentByTag("scan");
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if (mScanFragment == null) {
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mScanFragment = new ScanFragment();
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fm.beginTransaction().add(mScanFragment, "scan").commit();
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}
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mScanFragment.setScanProgressCallbacks(this);
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}
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private View findViewById(int viewId) {
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return getView().findViewById(viewId);
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}
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@Override
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public void onStop() {
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super.onStop();
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// Write setting to preferences
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EditText pathText = (EditText) findViewById(R.id.path_widget);
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CheckBox restrictCheckbox = (CheckBox) findViewById(R.id.restrict_checkbox);
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SharedPreferences preferences = getActivity().getPreferences(Context.MODE_PRIVATE);
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SharedPreferences.Editor editor = preferences.edit();
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editor.putString("path", pathText.getText().toString());
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editor.putBoolean("restrict_db_scan", restrictCheckbox.isChecked());
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editor.commit();
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}
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public void defaultButtonPressed(View view) throws IOException {
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updatePath(Environment.getExternalStorageDirectory().getCanonicalPath());
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}
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public void startButtonPressed(View view) throws IOException {
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startScan();
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}
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public void startScan() throws IOException {
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EditText pathText = (EditText) findViewById(R.id.path_widget);
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File path = new File(pathText.getText().toString());
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CheckBox restrictCheckbox = (CheckBox) findViewById(R.id.restrict_checkbox);
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mScanFragment.startScan(path.getCanonicalFile(), restrictCheckbox.isChecked());
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}
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}
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@ -165,10 +165,16 @@ public class ScanFragment extends Fragment {
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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mCallbacks = (ScanProgressCallbacks) activity;
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if(activity instanceof ScanProgressCallbacks) {
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mCallbacks = (ScanProgressCallbacks) activity;
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}
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mApplicationContext = activity.getApplicationContext();
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}
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public void setScanProgressCallbacks(ScanProgressCallbacks callbacks) {
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mCallbacks = callbacks;
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}
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public ScanFragment() {
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super();
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