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Simple-Calculator
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Code Issues Packages Projects Releases Wiki Activity

implement a slider for setting the widget background opacity

This commit is contained in:
tibbi 2016-01-03 17:25:23 +01:00
parent 8960387b48
commit 9b4f82bc2e
5 changed files with 73 additions and 15 deletions
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4
app/src/main/java/calculator/simplemobiletools/com/simple_calculator/Constants.java
View File

@ -24,4 +24,8 @@ public class Constants {
public static final String SEVEN = "seven";
public static final String EIGHT = "eight";
public static final String NINE = "nine";
public static final String PREFS = "prefs";
public static final String VALUE = "value";
public static final String WIDGET_BG_COLOR = "widget_bg";
}

54
app/src/main/java/calculator/simplemobiletools/com/simple_calculator/MyWidgetConfigure.java
View File

@ -2,18 +2,25 @@ package calculator.simplemobiletools.com.simple_calculator;
import android.app.Activity;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.RemoteViews;
import android.widget.SeekBar;
import butterknife.Bind;
import butterknife.ButterKnife;
import butterknife.OnClick;
public class MyWidgetConfigure extends Activity {
@Bind(R.id.btn_reset) Button resetBtn;
public class MyWidgetConfigure extends Activity implements SeekBar.OnSeekBarChangeListener {
@Bind(R.id.btn_reset) View resetBtn;
@Bind(R.id.config_seekbar) SeekBar seekBar;
@Bind(R.id.config_calc) View background;
private int widgetId;
private int newBgColor;
@Override
public void onCreate(Bundle savedInstanceState) {
@ -22,11 +29,13 @@ public class MyWidgetConfigure extends Activity {
ButterKnife.bind(this);
resetBtn.setVisibility(View.VISIBLE);
seekBar.setOnSeekBarChangeListener(this);
seekBar.setProgress(50);
final Intent intent = getIntent();
final Bundle extras = intent.getExtras();
if (extras != null) {
if (extras != null)
widgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
}
if (widgetId == AppWidgetManager.INVALID_APPWIDGET_ID)
finish();
@ -36,9 +45,44 @@ public class MyWidgetConfigure extends Activity {
@OnClick(R.id.config_save)
public void saveConfig() {
final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this);
final RemoteViews views = new RemoteViews(getPackageName(), R.layout.activity_main);
views.setInt(R.id.calculator_holder, "setBackgroundColor", newBgColor);
appWidgetManager.updateAppWidget(widgetId, views);
storeWidgetBackground();
requestWidgetUpdate();
final Intent resultValue = new Intent();
resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId);
setResult(RESULT_OK, resultValue);
finish();
}
private void storeWidgetBackground() {
final SharedPreferences prefs = getSharedPreferences(Constants.PREFS, Context.MODE_PRIVATE);
prefs.edit().putInt(Constants.WIDGET_BG_COLOR, newBgColor).apply();
}
private void requestWidgetUpdate() {
final Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE, null, this, MyWidgetProvider.class);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[]{widgetId});
sendBroadcast(intent);
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
final float percent = (float) progress / (float) 100;
final int alpha = (int) (255 * percent);
newBgColor = Color.argb(alpha, 0, 0, 0);
background.setBackgroundColor(newBgColor);
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
}

18
app/src/main/java/calculator/simplemobiletools/com/simple_calculator/MyWidgetProvider.java
View File

@ -11,9 +11,6 @@ import android.view.View;
import android.widget.RemoteViews;
public class MyWidgetProvider extends AppWidgetProvider implements Calculator {
private static final String PREFS = "prefs";
private static final String VALUE = "value";
private static int[] widgetIds;
private static RemoteViews remoteViews;
private static CalculatorImpl calc;
@ -61,19 +58,22 @@ public class MyWidgetProvider extends AppWidgetProvider implements Calculator {
}
private void initVariables(Context context) {
prefs = initPrefs(context);
final ComponentName component = new ComponentName(context, MyWidgetProvider.class);
remoteViews = new RemoteViews(context.getPackageName(), R.layout.activity_main);
remoteViews.setViewVisibility(R.id.btn_reset, View.VISIBLE);
final int newBgColor = prefs.getInt(Constants.WIDGET_BG_COLOR, context.getResources().getColor(R.color.dark_grey));
remoteViews.setInt(R.id.calculator_holder, "setBackgroundColor", newBgColor);
widgetManager = AppWidgetManager.getInstance(context);
widgetIds = widgetManager.getAppWidgetIds(component);
prefs = initPrefs(context);
final String value = prefs.getString(VALUE, "0");
final String value = prefs.getString(Constants.VALUE, "0");
calc = new CalculatorImpl(this, value);
}
private SharedPreferences initPrefs(Context context) {
return context.getSharedPreferences(PREFS, Context.MODE_PRIVATE);
return context.getSharedPreferences(Constants.PREFS, Context.MODE_PRIVATE);
}
@Override
@ -109,7 +109,7 @@ public class MyWidgetProvider extends AppWidgetProvider implements Calculator {
}
private void myAction(String action, Context context) {
if (calc == null)
if (calc == null || remoteViews == null || widgetManager == null || widgetIds == null || prefs == null)
initVariables(context);
switch (action) {
@ -173,7 +173,7 @@ public class MyWidgetProvider extends AppWidgetProvider implements Calculator {
public void setValue(String value) {
remoteViews.setTextViewText(R.id.result, value);
widgetManager.updateAppWidget(widgetIds, remoteViews);
prefs.edit().putString(VALUE, value).apply();
prefs.edit().putString(Constants.VALUE, value).apply();
}
@Override
@ -187,6 +187,6 @@ public class MyWidgetProvider extends AppWidgetProvider implements Calculator {
if (prefs == null)
prefs = initPrefs(context);
prefs.edit().remove(VALUE).apply();
prefs.edit().remove(Constants.VALUE).apply();
}
}

10
app/src/main/res/layout/widget_config.xml
View File

@ -34,5 +34,15 @@
android:paddingRight="@dimen/activity_margin"
android:text="Save"
android:textSize="@dimen/config_text_size"/>
<SeekBar
android:id="@+id/config_seekbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_centerVertical="true"
android:layout_marginRight="@dimen/activity_margin"
android:layout_toLeftOf="@id/config_save"/>
</RelativeLayout>
</RelativeLayout>

2
app/src/main/res/values/colors.xml
View File

@ -2,7 +2,7 @@
<resources>
<color name="colorPrimary">#3F51B5</color>
<color name="colorPrimaryDark">#303F9F</color>
<color name="colorAccent">#FF4081</color>
<color name="colorAccent">#FF0000</color>
<color name="dark_grey">#88000000</color>
<color name="dark_grey_pressed">#22000000</color>
</resources>