| /* |
| * Copyright (C) 2014 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 android.holo.cts; |
| |
| import com.android.cts.holo.R; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.util.DisplayMetrics; |
| import android.view.Display; |
| import android.view.WindowManager; |
| import android.widget.TextView; |
| |
| public class DisplayInfoActivity extends Activity { |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.display_info); |
| |
| WindowManager windowManager = (WindowManager) getSystemService(WINDOW_SERVICE); |
| Display display = windowManager.getDefaultDisplay(); |
| DisplayMetrics metrics = new DisplayMetrics(); |
| display.getMetrics(metrics); |
| |
| DisplayMetrics dm = getResources().getDisplayMetrics(); |
| int width = Math.round(dm.widthPixels / dm.density); |
| int height = Math.round(dm.heightPixels / dm.density); |
| |
| TextView text = (TextView) findViewById(R.id.text); |
| text.setText(getString(R.string.display_info_text, metrics.densityDpi, |
| getScreenDensityBucket(metrics), width, height)); |
| } |
| |
| private String getScreenDensityBucket(DisplayMetrics metrics) { |
| switch (metrics.densityDpi) { |
| case DisplayMetrics.DENSITY_LOW: |
| return "ldpi"; |
| |
| case DisplayMetrics.DENSITY_MEDIUM: |
| return "mdpi"; |
| |
| case DisplayMetrics.DENSITY_HIGH: |
| return "hdpi"; |
| |
| case DisplayMetrics.DENSITY_XHIGH: |
| return "xdpi"; |
| |
| case DisplayMetrics.DENSITY_400: |
| return "400dpi"; |
| |
| case DisplayMetrics.DENSITY_XXHIGH: |
| return "xxdpi"; |
| |
| case DisplayMetrics.DENSITY_XXXHIGH: |
| return "xxxdpi"; |
| |
| case DisplayMetrics.DENSITY_TV: |
| return "tvdpi"; |
| |
| default: |
| return "" + metrics.densityDpi; |
| } |
| } |
| } |