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/*
* Copyright 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 com.example.wallpapertest;
import android.app.Activity;
import android.app.WallpaperManager;
import android.content.Context;
import android.graphics.Point;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.IBinder;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.util.Log;
import android.view.WindowManager;
import android.widget.TextView;
public class MainActivity extends Activity {
private static final String TAG = "MainActivity";
WallpaperManager mWallpaperManager;
WindowManager mWindowManager;
TextView mDimenWidthView;
TextView mDimenHeightView;
TextView mWallOffXView;
TextView mWallOffYView;
TextView mPaddingLeftView;
TextView mPaddingRightView;
TextView mPaddingTopView;
TextView mPaddingBottomView;
TextView mDispOffXView;
TextView mDispOffYView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mWallpaperManager = (WallpaperManager)getSystemService(Context.WALLPAPER_SERVICE);
mWindowManager = (WindowManager)getSystemService(Context.WINDOW_SERVICE);
mDimenWidthView = (TextView) findViewById(R.id.dimen_width);
mDimenWidthView.addTextChangedListener(mTextWatcher);
mDimenHeightView = (TextView) findViewById(R.id.dimen_height);
mDimenHeightView.addTextChangedListener(mTextWatcher);
mWallOffXView = (TextView) findViewById(R.id.walloff_x);
mWallOffXView.addTextChangedListener(mTextWatcher);
mWallOffYView = (TextView) findViewById(R.id.walloff_y);
mWallOffYView.addTextChangedListener(mTextWatcher);
mPaddingLeftView = (TextView) findViewById(R.id.padding_left);
mPaddingLeftView.addTextChangedListener(mTextWatcher);
mPaddingRightView = (TextView) findViewById(R.id.padding_right);
mPaddingRightView.addTextChangedListener(mTextWatcher);
mPaddingTopView = (TextView) findViewById(R.id.padding_top);
mPaddingTopView.addTextChangedListener(mTextWatcher);
mPaddingBottomView = (TextView) findViewById(R.id.padding_bottom);
mPaddingBottomView.addTextChangedListener(mTextWatcher);
mDispOffXView = (TextView) findViewById(R.id.dispoff_x);
mDispOffXView.addTextChangedListener(mTextWatcher);
mDispOffYView = (TextView) findViewById(R.id.dispoff_y);
mDispOffYView.addTextChangedListener(mTextWatcher);
updateDimens();
updateWallOff();
updatePadding();
updateDispOff();
}
private int loadPropIntText(TextView view, int baseVal) {
String str = view.getText().toString();
if (str != null && !TextUtils.isEmpty(str)) {
try {
float fval = Float.parseFloat(str);
return (int)(fval*baseVal);
} catch (NumberFormatException e) {
Log.i(TAG, "Bad number: " + str, e);
}
}
return baseVal;
}
private float loadFloatText(TextView view) {
String str = view.getText().toString();
if (str != null && !TextUtils.isEmpty(str)) {
try {
return Float.parseFloat(str);
} catch (NumberFormatException e) {
Log.i(TAG, "Bad number: " + str, e);
}
}
return 0;
}
private int loadIntText(TextView view) {
String str = view.getText().toString();
if (str != null && !TextUtils.isEmpty(str)) {
try {
return Integer.parseInt(str);
} catch (NumberFormatException e) {
Log.i(TAG, "Bad number: " + str, e);
}
}
return 0;
}
public void updateDimens() {
Point minDims = new Point();
Point maxDims = new Point();
mWindowManager.getDefaultDisplay().getCurrentSizeRange(minDims, maxDims);
mWallpaperManager.suggestDesiredDimensions(
loadPropIntText(mDimenWidthView, maxDims.x),
loadPropIntText(mDimenHeightView, maxDims.y));
}
public void updateWallOff() {
IBinder token = getWindow().getDecorView().getWindowToken();
if (token != null) {
mWallpaperManager.setWallpaperOffsets(token, loadFloatText(mWallOffXView),
loadFloatText(mWallOffYView));
}
}
public void updatePadding() {
Rect padding = new Rect();
padding.left = loadIntText(mPaddingLeftView);
padding.top = loadIntText(mPaddingTopView);
padding.right = loadIntText(mPaddingRightView);
padding.bottom = loadIntText(mPaddingBottomView);
mWallpaperManager.setDisplayPadding(padding);
}
public void updateDispOff() {
IBinder token = getWindow().getDecorView().getWindowToken();
if (token != null) {
mWallpaperManager.setDisplayOffset(token, loadIntText(mDispOffXView),
loadIntText(mDispOffYView));
}
}
final TextWatcher mTextWatcher = new TextWatcher() {
@Override public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override public void onTextChanged(CharSequence s, int start, int before, int count) {
updateDimens();
updateWallOff();
updatePadding();
updateDispOff();
}
@Override public void afterTextChanged(Editable s) {
}
};
}
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