/*
* Copyright (C) 2006 The Android Open Source Project
*
* 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 com.android.settings;
import android.app.Activity;
import android.app.ActivityManagerNative;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.os.RemoteException;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;
public class Display extends Activity implements View.OnClickListener {
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.display);
mFontSize = (Spinner) findViewById(R.id.fontSize);
mFontSize.setOnItemSelectedListener(mFontSizeChanged);
String[] states = new String[3];
Resources r = getResources();
states[0] = r.getString(R.string.small_font);
states[1] = r.getString(R.string.medium_font);
states[2] = r.getString(R.string.large_font);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, states);
adapter.setDropDownViewResource(
android.R.layout.simple_spinner_dropdown_item);
mFontSize.setAdapter(adapter);
mPreview = (TextView) findViewById(R.id.preview);
mPreview.setText(r.getText(R.string.font_size_preview_text));
Button save = (Button) findViewById(R.id.save);
save.setText(r.getText(R.string.font_size_save));
save.setOnClickListener(this);
mTextSizeTyped = new TypedValue();
TypedArray styledAttributes =
obtainStyledAttributes(android.R.styleable.TextView);
styledAttributes.getValue(android.R.styleable.TextView_textSize,
mTextSizeTyped);
DisplayMetrics metrics = getResources().getDisplayMetrics();
mDisplayMetrics = new DisplayMetrics();
mDisplayMetrics.density = metrics.density;
mDisplayMetrics.heightPixels = metrics.heightPixels;
mDisplayMetrics.scaledDensity = metrics.scaledDensity;
mDisplayMetrics.widthPixels = metrics.widthPixels;
mDisplayMetrics.xdpi = metrics.xdpi;
mDisplayMetrics.ydpi = metrics.ydpi;
styledAttributes.recycle();
}
@Override
public void onResume() {
super.onResume();
try {
mCurConfig.updateFrom(
ActivityManagerNative.getDefault().getConfiguration());
} catch (RemoteException e) {
}
if (mCurConfig.fontScale < 1) {
mFontSize.setSelection(0);
} else if (mCurConfig.fontScale > 1) {
mFontSize.setSelection(2);
} else {
mFontSize.setSelection(1);
}
updateFontScale();
}
private void updateFontScale() {
mDisplayMetrics.scaledDensity = mDisplayMetrics.density *
mCurConfig.fontScale;
float size = mTextSizeTyped.getDimension(mDisplayMetrics);
mPreview.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
}
public void onClick(View v) {
try {
ActivityManagerNative.getDefault().updatePersistentConfiguration(mCurConfig);
} catch (RemoteException e) {
}
finish();
}
private Spinner.OnItemSelectedListener mFontSizeChanged
= new Spinner.OnItemSelectedListener() {
public void onItemSelected(android.widget.AdapterView av, View v,
int position, long id) {
if (position == 0) {
mCurConfig.fontScale = .75f;
} else if (position == 2) {
mCurConfig.fontScale = 1.25f;
} else {
mCurConfig.fontScale = 1.0f;
}
updateFontScale();
}
public void onNothingSelected(android.widget.AdapterView av) {
}
};
private Spinner mFontSize;
private TextView mPreview;
private TypedValue mTextSizeTyped;
private DisplayMetrics mDisplayMetrics;
private Configuration mCurConfig = new Configuration();
}