Initial Contribution
diff --git a/src/com/android/settings/Display.java b/src/com/android/settings/Display.java
new file mode 100644
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--- /dev/null
+++ b/src/com/android/settings/Display.java
@@ -0,0 +1,138 @@
+/*
+ * 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().updateConfiguration(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();
+}